164703457 has 16 divisors (see below), whose sum is σ = 178053120. Its totient is φ = 151880400.

The previous prime is 164703443. The next prime is 164703467. The reversal of 164703457 is 754307461.

It is a cyclic number.

It is not a de Polignac number, because 164703457 - 2¹⁵ = 164670689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164703467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111232 + ... + 112702.

It is an arithmetic number, because the mean of its divisors is an integer number (11128320).

Almost surely, 2^164703457 is an apocalyptic number.

It is an amenable number.

164703457 is a deficient number, since it is larger than the sum of its proper divisors (13349663).

164703457 is a wasteful number, since it uses less digits than its factorization.

164703457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1644.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 164703457 is about 12833.6844670578. The cubic root of 164703457 is about 548.1518761826.

The spelling of 164703457 in words is "one hundred sixty-four million, seven hundred three thousand, four hundred fifty-seven".