63956662 has 48 divisors (see below), whose sum is σ = 123448320. Its totient is φ = 24570000.

The previous prime is 63956591. The next prime is 63956663. The reversal of 63956662 is 26665936.

It is a happy number.

It is a super-2 number, since 2×63956662² = 8180909228364488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63956663) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84787 + ... + 85537.

It is an arithmetic number, because the mean of its divisors is an integer number (2571840).

Almost surely, 2^63956662 is an apocalyptic number.

63956662 is a deficient number, since it is larger than the sum of its proper divisors (59491658).

63956662 is a wasteful number, since it uses less digits than its factorization.

63956662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857 (or 850 counting only the distinct ones).

The product of its digits is 349920, while the sum is 43.

The square root of 63956662 is about 7997.2909163041. The cubic root of 63956662 is about 399.9096921127.

The spelling of 63956662 in words is "sixty-three million, nine hundred fifty-six thousand, six hundred sixty-two".