78662160 has 60 divisors (see below), whose sum is σ = 264176172. Its totient is φ = 20976384.

The previous prime is 78662119. The next prime is 78662173. The reversal of 78662160 is 6126687.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 29550096 + 49112064 = 5436^2 + 7008^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53907 + ... + 55346.

Almost surely, 2^78662160 is an apocalyptic number.

It is an amenable number.

78662160 is an abundant number, since it is smaller than the sum of its proper divisors (185514012).

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

78662160 is a wasteful number, since it uses less digits than its factorization.

78662160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109272 (or 109263 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 78662160 is about 8869.1690704372. The cubic root of 78662160 is about 428.4715157568.

The spelling of 78662160 in words is "seventy-eight million, six hundred sixty-two thousand, one hundred sixty".