164125451 has 12 divisors (see below), whose sum is σ = 196083648. Its totient is φ = 136875312.

The previous prime is 164125427. The next prime is 164125469. The reversal of 164125451 is 154521461.

It is not a de Polignac number, because 164125451 - 2⁶ = 164125387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164125421) 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 11 ways as a sum of consecutive naturals, for example, 43451 + ... + 47076.

It is an arithmetic number, because the mean of its divisors is an integer number (16340304).

Almost surely, 2^164125451 is an apocalyptic number.

164125451 is a deficient number, since it is larger than the sum of its proper divisors (31958197).

164125451 is an equidigital number, since it uses as much as digits as its factorization.

164125451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90578 (or 90571 counting only the distinct ones).

The product of its digits is 4800, while the sum is 29.

The square root of 164125451 is about 12811.1455771918. The cubic root of 164125451 is about 547.5099013381.

The spelling of 164125451 in words is "one hundred sixty-four million, one hundred twenty-five thousand, four hundred fifty-one".