164212056213 has 24 divisors (see below), whose sum is σ = 228282132000. Its totient is φ = 104990079936.

The previous prime is 164212056209. The next prime is 164212056221. The reversal of 164212056213 is 312650212461.

It is not a de Polignac number, because 164212056213 - 2² = 164212056209 is a prime.

It is a super-3 number, since 3×164212056213³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164212056293) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 157518 + ... + 594336.

It is an arithmetic number, because the mean of its divisors is an integer number (9511755500).

Almost surely, 2^164212056213 is an apocalyptic number.

It is an amenable number.

164212056213 is a deficient number, since it is larger than the sum of its proper divisors (64070075787).

164212056213 is a wasteful number, since it uses less digits than its factorization.

164212056213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437029 (or 437000 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

Adding to 164212056213 its reverse (312650212461), we get a palindrome (476862268674).

The spelling of 164212056213 in words is "one hundred sixty-four billion, two hundred twelve million, fifty-six thousand, two hundred thirteen".