116161540 has 48 divisors (see below), whose sum is σ = 266857920. Its totient is φ = 42122880.

The previous prime is 116161511. The next prime is 116161553. The reversal of 116161540 is 45161611.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135754 + ... + 136606.

It is an arithmetic number, because the mean of its divisors is an integer number (5559540).

Almost surely, 2^116161540 is an apocalyptic number.

116161540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

116161540 is an abundant number, since it is smaller than the sum of its proper divisors (150696380).

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

116161540 is a wasteful number, since it uses less digits than its factorization.

116161540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1492 (or 1490 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 116161540 is about 10777.8263114600. The cubic root of 116161540 is about 487.9261791497.

The spelling of 116161540 in words is "one hundred sixteen million, one hundred sixty-one thousand, five hundred forty".