10642556 has 6 divisors (see below), whose sum is σ = 18624480. Its totient is φ = 5321276.

The previous prime is 10642547. The next prime is 10642573. The reversal of 10642556 is 65524601.

It is a super-2 number, since 2×10642556² = 226527996426272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1330316 + ... + 1330323.

It is an arithmetic number, because the mean of its divisors is an integer number (3104080).

Almost surely, 2^10642556 is an apocalyptic number.

It is an amenable number.

10642556 is a deficient number, since it is larger than the sum of its proper divisors (7981924).

10642556 is a wasteful number, since it uses less digits than its factorization.

10642556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2660643 (or 2660641 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 10642556 is about 3262.2930585709. The cubic root of 10642556 is about 219.9625004955.

The spelling of 10642556 in words is "ten million, six hundred forty-two thousand, five hundred fifty-six".