670651662 has 16 divisors (see below), whose sum is σ = 1345150800. Its totient is φ = 222909312.

The previous prime is 670651633. The next prime is 670651673. The reversal of 670651662 is 266156076.

It is a self number, because there is not a number n which added to its sum of digits gives 670651662.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158043 + ... + 162230.

It is an arithmetic number, because the mean of its divisors is an integer number (84071925).

Almost surely, 2^670651662 is an apocalyptic number.

670651662 is an abundant number, since it is smaller than the sum of its proper divisors (674499138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

670651662 is a wasteful number, since it uses less digits than its factorization.

670651662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320627.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 670651662 is about 25896.9431014550. The cubic root of 670651662 is about 875.3176150899.

The spelling of 670651662 in words is "six hundred seventy million, six hundred fifty-one thousand, six hundred sixty-two".