164254152931 has 4 divisors (see below), whose sum is σ = 179186348664. Its totient is φ = 149321957200.

The previous prime is 164254152929. The next prime is 164254152977. The reversal of 164254152931 is 139251452461.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 164254152931 - 2¹ = 164254152929 is a prime.

It is a super-2 number, since 2×164254152931² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164254152901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7466097850 + ... + 7466097871.

It is an arithmetic number, because the mean of its divisors is an integer number (44796587166).

Almost surely, 2^164254152931 is an apocalyptic number.

164254152931 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

164254152931 is a deficient number, since it is larger than the sum of its proper divisors (14932195733).

164254152931 is a wasteful number, since it uses less digits than its factorization.

164254152931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14932195732.

The product of its digits is 259200, while the sum is 43.

The spelling of 164254152931 in words is "one hundred sixty-four billion, two hundred fifty-four million, one hundred fifty-two thousand, nine hundred thirty-one".