156628426 has 8 divisors (see below), whose sum is σ = 235019520. Its totient is φ = 78288588.

The previous prime is 156628369. The next prime is 156628441. The reversal of 156628426 is 624826651.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3946 + ... + 18133.

It is an arithmetic number, because the mean of its divisors is an integer number (29377440).

Almost surely, 2^156628426 is an apocalyptic number.

156628426 is a deficient number, since it is larger than the sum of its proper divisors (78391094).

156628426 is a wasteful number, since it uses less digits than its factorization.

156628426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25628.

The product of its digits is 138240, while the sum is 40.

The square root of 156628426 is about 12515.1278858827. The cubic root of 156628426 is about 539.0431454638.

It can be divided in two parts, 1566 and 28426, that added together give a palindrome (29992).

The spelling of 156628426 in words is "one hundred fifty-six million, six hundred twenty-eight thousand, four hundred twenty-six".