662299856 has 10 divisors (see below), whose sum is σ = 1283206002. Its totient is φ = 331149920.

The previous prime is 662299823. The next prime is 662299861. The reversal of 662299856 is 658992266.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 661518400 + 781456 = 25720^2 + 884^2 .

It is a junction number, because it is equal to n+sod(n) for n = 662299798 and 662299807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20696855 + ... + 20696886.

Almost surely, 2^662299856 is an apocalyptic number.

It is an amenable number.

662299856 is a deficient number, since it is larger than the sum of its proper divisors (620906146).

662299856 is a wasteful number, since it uses less digits than its factorization.

662299856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41393749 (or 41393743 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 53.

The square root of 662299856 is about 25735.1871180297. The cubic root of 662299856 is about 871.6689046848.

It can be divided in two parts, 66 and 2299856, that added together give a palindrome (2299922).

The spelling of 662299856 in words is "six hundred sixty-two million, two hundred ninety-nine thousand, eight hundred fifty-six".