10661651562 has 32 divisors (see below), whose sum is σ = 21860979840. Its totient is φ = 3464410880.

The previous prime is 10661651551. The next prime is 10661651569. The reversal of 10661651562 is 26515616601.

It is a super-2 number, since 2×10661651562² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10661651562.

It is not an unprimeable number, because it can be changed into a prime (10661651569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300283 + ... + 333905.

It is an arithmetic number, because the mean of its divisors is an integer number (683155620).

Almost surely, 2^10661651562 is an apocalyptic number.

10661651562 is an abundant number, since it is smaller than the sum of its proper divisors (11199328278).

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

10661651562 is a wasteful number, since it uses less digits than its factorization.

10661651562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34958.

The product of its (nonzero) digits is 64800, while the sum is 39.

The spelling of 10661651562 in words is "ten billion, six hundred sixty-one million, six hundred fifty-one thousand, five hundred sixty-two".