197983723147504 has 160 divisors (see below), whose sum is σ = 441407215907840. Its totient is φ = 84268302483456.

The previous prime is 197983723147417. The next prime is 197983723147519. The reversal of 197983723147504 is 405741327389791.

It is a super-2 number, since 2×197983723147504² (a number of 29 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (70) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41601956677 + ... + 41601961435.

It is an arithmetic number, because the mean of its divisors is an integer number (2758795099424).

Almost surely, 2^{197983723147504} is an apocalyptic number.

197983723147504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197983723147504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220703607953920).

197983723147504 is an abundant number, since it is smaller than the sum of its proper divisors (243423492760336).

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

197983723147504 is a wasteful number, since it uses less digits than its factorization.

197983723147504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7807 (or 7801 counting only the distinct ones).

The product of its (nonzero) digits is 320060160, while the sum is 70.

The spelling of 197983723147504 in words is "one hundred ninety-seven trillion, nine hundred eighty-three billion, seven hundred twenty-three million, one hundred forty-seven thousand, five hundred four".