164895454 has 16 divisors (see below), whose sum is σ = 254136960. Its totient is φ = 80199000.

The previous prime is 164895449. The next prime is 164895491. The reversal of 164895454 is 454598461.

It is a happy number.

It is a super-2 number, since 2×164895454² = 54381021499732232, which contains 22 as substring.

It is a congruent number.

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, 17767 + ... + 25405.

It is an arithmetic number, because the mean of its divisors is an integer number (15883560).

Almost surely, 2^164895454 is an apocalyptic number.

164895454 is a deficient number, since it is larger than the sum of its proper divisors (89241506).

164895454 is a wasteful number, since it uses less digits than its factorization.

164895454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7935.

The product of its digits is 691200, while the sum is 46.

The square root of 164895454 is about 12841.1624863172. The cubic root of 164895454 is about 548.3647894380.

The spelling of 164895454 in words is "one hundred sixty-four million, eight hundred ninety-five thousand, four hundred fifty-four".