118197064804 has 81 divisors (see below), whose sum is σ = 260686096587. Its totient is φ = 46734524928.

The previous prime is 118197064763. The next prime is 118197064819. The reversal of 118197064804 is 408460791811.

It is a happy number.

The square root of 118197064804 is 343798.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 18689624100 + 99507440704 = 136710^2 + 315448^2 .

It is a super-2 number, since 2×118197064804² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 62570292 + ... + 62572180.

Almost surely, 2^118197064804 is an apocalyptic number.

118197064804 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

118197064804 is the 343798-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118197064804

118197064804 is an abundant number, since it is smaller than the sum of its proper divisors (142489031783).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

118197064804 is an equidigital number, since it uses as much as digits as its factorization.

118197064804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3822 (or 1911 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 49.

Multiplying 118197064804 by its sum of digits (49), we get a square (5791656175396 = 2406586²).

118197064804 divided by its sum of digits (49) gives a square (2412184996 = 49114²).

The spelling of 118197064804 in words is "one hundred eighteen billion, one hundred ninety-seven million, sixty-four thousand, eight hundred four".