164474756 has 6 divisors (see below), whose sum is σ = 287830830. Its totient is φ = 82237376.

The previous prime is 164474753. The next prime is 164474797. The reversal of 164474756 is 657474461.

It can be written as a sum of positive squares in only one way, i.e., 163072900 + 1401856 = 12770^2 + 1184^2 .

It is a super-2 number, since 2×164474756² = 54103890722519072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (164474753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20559341 + ... + 20559348.

It is an arithmetic number, because the mean of its divisors is an integer number (47971805).

Almost surely, 2^164474756 is an apocalyptic number.

It is an amenable number.

164474756 is a deficient number, since it is larger than the sum of its proper divisors (123356074).

164474756 is a wasteful number, since it uses less digits than its factorization.

164474756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41118693 (or 41118691 counting only the distinct ones).

The product of its digits is 564480, while the sum is 44.

The square root of 164474756 is about 12824.7711870427. The cubic root of 164474756 is about 547.8980443281.

The spelling of 164474756 in words is "one hundred sixty-four million, four hundred seventy-four thousand, seven hundred fifty-six".