116162505 has 36 divisors (see below), whose sum is σ = 209140932. Its totient is φ = 61935840.

The previous prime is 116162503. The next prime is 116162507. The reversal of 116162505 is 505261611.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (116162503) and next prime (116162507).

It can be written as a sum of positive squares in 2 ways, for example, as 45198729 + 70963776 = 6723^2 + 8424^2 .

It is not a de Polignac number, because 116162505 - 2¹ = 116162503 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (116162503) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 31035 + ... + 34575.

Almost surely, 2^116162505 is an apocalyptic number.

116162505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

116162505 is a deficient number, since it is larger than the sum of its proper divisors (92978427).

116162505 is an frugal number, since it uses more digits than its factorization.

116162505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3570 (or 3549 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 116162505 is about 10777.8710792067. The cubic root of 116162505 is about 487.9275302781.

The spelling of 116162505 in words is "one hundred sixteen million, one hundred sixty-two thousand, five hundred five".