64156426 has 8 divisors (see below), whose sum is σ = 101299680. Its totient is φ = 30389868.

The previous prime is 64156357. The next prime is 64156441. The reversal of 64156426 is 62465146.

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

It is a junction number, because it is equal to n+sod(n) for n = 64156391 and 64156400.

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, 844126 + ... + 844201.

It is an arithmetic number, because the mean of its divisors is an integer number (12662460).

Almost surely, 2^64156426 is an apocalyptic number.

64156426 is a deficient number, since it is larger than the sum of its proper divisors (37143254).

64156426 is a wasteful number, since it uses less digits than its factorization.

64156426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1688348.

The product of its digits is 34560, while the sum is 34.

The square root of 64156426 is about 8009.7706583897. The cubic root of 64156426 is about 400.3256223533.

The spelling of 64156426 in words is "sixty-four million, one hundred fifty-six thousand, four hundred twenty-six".