670667152 has 10 divisors (see below), whose sum is σ = 1299417638. Its totient is φ = 335333568.

The previous prime is 670667117. The next prime is 670667161. The reversal of 670667152 is 251766076.

It is a happy number.

670667152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 634233856 + 36433296 = 25184^2 + 6036^2 .

It is a super-2 number, since 2×670667152² = 899588857543582208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20958333 + ... + 20958364.

Almost surely, 2^670667152 is an apocalyptic number.

It is an amenable number.

670667152 is a deficient number, since it is larger than the sum of its proper divisors (628750486).

670667152 is a wasteful number, since it uses less digits than its factorization.

670667152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41916705 (or 41916699 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 670667152 is about 25897.2421697755. The cubic root of 670667152 is about 875.3243540903.

The spelling of 670667152 in words is "six hundred seventy million, six hundred sixty-seven thousand, one hundred fifty-two".