10642156 has 24 divisors (see below), whose sum is σ = 21781760. Its totient is φ = 4454352.

The previous prime is 10642141. The next prime is 10642171. The reversal of 10642156 is 65124601.

It is an interprime number because it is at equal distance from previous prime (10642141) and next prime (10642171).

It is a super-2 number, since 2×10642156² = 226510968656672, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10642156.

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 in 7 ways as a sum of consecutive naturals, for example, 3216 + ... + 5623.

Almost surely, 2^10642156 is an apocalyptic number.

It is an amenable number.

10642156 is an abundant number, since it is smaller than the sum of its proper divisors (11139604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10642156 is a wasteful number, since it uses less digits than its factorization.

10642156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8893 (or 8891 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 10642156 is about 3262.2317514242. The cubic root of 10642156 is about 219.9597447007.

Adding to 10642156 its reverse (65124601), we get a palindrome (75766757).

The spelling of 10642156 in words is "ten million, six hundred forty-two thousand, one hundred fifty-six".