164204951 has 2 divisors, whose sum is σ = 164204952. Its totient is φ = 164204950.

The previous prime is 164204939. The next prime is 164204993. The reversal of 164204951 is 159402461.

164204951 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 164204951 - 2¹⁰ = 164203927 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164200951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82102475 + 82102476.

It is an arithmetic number, because the mean of its divisors is an integer number (82102476).

Almost surely, 2^164204951 is an apocalyptic number.

164204951 is a deficient number, since it is larger than the sum of its proper divisors (1).

164204951 is an equidigital number, since it uses as much as digits as its factorization.

164204951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 164204951 is about 12814.2479685700. The cubic root of 164204951 is about 547.5982890335.

The spelling of 164204951 in words is "one hundred sixty-four million, two hundred four thousand, nine hundred fifty-one".