669575151 has 18 divisors (see below), whose sum is σ = 1125069192. Its totient is φ = 382614120.

The previous prime is 669575111. The next prime is 669575167. The reversal of 669575151 is 151575966.

669575151 is a `hidden beast` number, since 6 + 69 + 575 + 15 + 1 = 666.

It is not a de Polignac number, because 669575151 - 2⁹ = 669574639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 669575097 and 669575106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (669575111) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 758715 + ... + 759596.

It is an arithmetic number, because the mean of its divisors is an integer number (62503844).

Almost surely, 2^669575151 is an apocalyptic number.

669575151 is a deficient number, since it is larger than the sum of its proper divisors (455494041).

669575151 is a wasteful number, since it uses less digits than its factorization.

669575151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1518331 (or 1518321 counting only the distinct ones).

The product of its digits is 283500, while the sum is 45.

The square root of 669575151 is about 25876.1502353036. The cubic root of 669575151 is about 874.8490192832.

The spelling of 669575151 in words is "six hundred sixty-nine million, five hundred seventy-five thousand, one hundred fifty-one".