662044645 has 8 divisors (see below), whose sum is σ = 836267040. Its totient is φ = 501760080.

The previous prime is 662044639. The next prime is 662044657. The reversal of 662044645 is 546440266.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 662044645 - 2³ = 662044637 is a prime.

It is a super-2 number, since 2×662044645² = 876606223946352050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3484351 + ... + 3484540.

It is an arithmetic number, because the mean of its divisors is an integer number (104533380).

Almost surely, 2^662044645 is an apocalyptic number.

It is an amenable number.

662044645 is a deficient number, since it is larger than the sum of its proper divisors (174222395).

662044645 is a wasteful number, since it uses less digits than its factorization.

662044645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6968915.

The product of its (nonzero) digits is 138240, while the sum is 37.

The square root of 662044645 is about 25730.2282345105. The cubic root of 662044645 is about 871.5569271714.

The spelling of 662044645 in words is "six hundred sixty-two million, forty-four thousand, six hundred forty-five".