78160918 has 24 divisors (see below), whose sum is σ = 130712400. Its totient is φ = 35019600.

The previous prime is 78160903. The next prime is 78160919. The reversal of 78160918 is 81906187.

It is a super-2 number, since 2×78160918² = 12218258205205448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78160919) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14908 + ... + 19456.

It is an arithmetic number, because the mean of its divisors is an integer number (5446350).

Almost surely, 2^78160918 is an apocalyptic number.

78160918 is a deficient number, since it is larger than the sum of its proper divisors (52551482).

78160918 is a wasteful number, since it uses less digits than its factorization.

78160918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4644 (or 4633 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 40.

The square root of 78160918 is about 8840.8663602613. The cubic root of 78160918 is about 427.5594901422.

The spelling of 78160918 in words is "seventy-eight million, one hundred sixty thousand, nine hundred eighteen".