156678064 has 40 divisors (see below), whose sum is σ = 307980288. Its totient is φ = 77209920.

The previous prime is 156678007. The next prime is 156678077. The reversal of 156678064 is 460876651.

It is a happy number.

156678064 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 156678064.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 510199 + ... + 510505.

Almost surely, 2^156678064 is an apocalyptic number.

It is an amenable number.

156678064 is a deficient number, since it is larger than the sum of its proper divisors (151302224).

156678064 is a wasteful number, since it uses less digits than its factorization.

156678064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673 (or 667 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 156678064 is about 12517.1108487542. The cubic root of 156678064 is about 539.1000831863.

The spelling of 156678064 in words is "one hundred fifty-six million, six hundred seventy-eight thousand, sixty-four".