164250451 has 2 divisors, whose sum is σ = 164250452. Its totient is φ = 164250450.

The previous prime is 164250419. The next prime is 164250467. The reversal of 164250451 is 154052461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164250451 - 2⁵ = 164250419 is a prime.

It is not a weakly prime, because it can be changed into another prime (164250851) 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 as a sum of consecutive naturals, namely, 82125225 + 82125226.

It is an arithmetic number, because the mean of its divisors is an integer number (82125226).

Almost surely, 2^164250451 is an apocalyptic number.

164250451 is a deficient number, since it is larger than the sum of its proper divisors (1).

164250451 is an equidigital number, since it uses as much as digits as its factorization.

164250451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 164250451 is about 12816.0232131500. The cubic root of 164250451 is about 547.6488628662.

It can be divided in two parts, 16425045 and 1, that added together give a triangular number (16425046 = T₅₇₃₁).

The spelling of 164250451 in words is "one hundred sixty-four million, two hundred fifty thousand, four hundred fifty-one".