164274531 has 8 divisors (see below), whose sum is σ = 226585680. Its totient is φ = 105739872.

The previous prime is 164274529. The next prime is 164274547. The reversal of 164274531 is 135472461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 164274531 - 2¹ = 164274529 is a prime.

It is a super-2 number, since 2×164274531² = 53972243070539922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 164274492 and 164274501.

It is not an unprimeable number, because it can be changed into a prime (164274521) 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 7 ways as a sum of consecutive naturals, for example, 944020 + ... + 944193.

It is an arithmetic number, because the mean of its divisors is an integer number (28323210).

Almost surely, 2^164274531 is an apocalyptic number.

164274531 is a deficient number, since it is larger than the sum of its proper divisors (62311149).

164274531 is a wasteful number, since it uses less digits than its factorization.

164274531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1888245.

The product of its digits is 20160, while the sum is 33.

The square root of 164274531 is about 12816.9626277055. The cubic root of 164274531 is about 547.6756243153.

The spelling of 164274531 in words is "one hundred sixty-four million, two hundred seventy-four thousand, five hundred thirty-one".