164742275 has 12 divisors (see below), whose sum is σ = 205355904. Its totient is φ = 131100000.

The previous prime is 164742269. The next prime is 164742283. The reversal of 164742275 is 572247461.

It is not a de Polignac number, because 164742275 - 2¹² = 164738179 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12476 + ... + 22025.

It is an arithmetic number, because the mean of its divisors is an integer number (17112992).

Almost surely, 2^164742275 is an apocalyptic number.

164742275 is a deficient number, since it is larger than the sum of its proper divisors (40613629).

164742275 is a wasteful number, since it uses less digits than its factorization.

164742275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34702 (or 34697 counting only the distinct ones).

The product of its digits is 94080, while the sum is 38.

The square root of 164742275 is about 12835.1967261901. The cubic root of 164742275 is about 548.1949363759.

The spelling of 164742275 in words is "one hundred sixty-four million, seven hundred forty-two thousand, two hundred seventy-five".