662670965 has 32 divisors (see below), whose sum is σ = 920709504. Its totient is φ = 452515840.

The previous prime is 662670959. The next prime is 662670989. The reversal of 662670965 is 569076266.

It is not a de Polignac number, because 662670965 - 2⁶ = 662670901 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 772817 + ... + 773673.

It is an arithmetic number, because the mean of its divisors is an integer number (28772172).

Almost surely, 2^662670965 is an apocalyptic number.

It is an amenable number.

662670965 is a deficient number, since it is larger than the sum of its proper divisors (258038539).

662670965 is a wasteful number, since it uses less digits than its factorization.

662670965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1717.

The product of its (nonzero) digits is 816480, while the sum is 47.

The square root of 662670965 is about 25742.3962559821. The cubic root of 662670965 is about 871.8316828040.

The spelling of 662670965 in words is "six hundred sixty-two million, six hundred seventy thousand, nine hundred sixty-five".