164607570551 has 2 divisors, whose sum is σ = 164607570552. Its totient is φ = 164607570550.

The previous prime is 164607570527. The next prime is 164607570553. The reversal of 164607570551 is 155075706461.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164607570551 - 2³⁰ = 163533828727 is a prime.

It is a Sophie Germain prime.

Together with 164607570553, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 164607570496 and 164607570505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164607570553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82303785275 + 82303785276.

It is an arithmetic number, because the mean of its divisors is an integer number (82303785276).

Almost surely, 2^164607570551 is an apocalyptic number.

164607570551 is a deficient number, since it is larger than the sum of its proper divisors (1).

164607570551 is an equidigital number, since it uses as much as digits as its factorization.

164607570551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 882000, while the sum is 47.

The spelling of 164607570551 in words is "one hundred sixty-four billion, six hundred seven million, five hundred seventy thousand, five hundred fifty-one".