10662992091 has 8 divisors (see below), whose sum is σ = 15797025360. Its totient is φ = 7108661376.

The previous prime is 10662992063. The next prime is 10662992099. The reversal of 10662992091 is 19029926601.

10662992091 is a `hidden beast` number, since 10 + 6 + 629 + 9 + 2 + 0 + 9 + 1 = 666.

It is not a de Polignac number, because 10662992091 - 2¹⁴ = 10662975707 is a prime.

It is a super-2 number, since 2×10662992091² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10662992099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197462790 + ... + 197462843.

It is an arithmetic number, because the mean of its divisors is an integer number (1974628170).

Almost surely, 2^10662992091 is an apocalyptic number.

10662992091 is a deficient number, since it is larger than the sum of its proper divisors (5134033269).

10662992091 is an equidigital number, since it uses as much as digits as its factorization.

10662992091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394925642 (or 394925636 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The spelling of 10662992091 in words is "ten billion, six hundred sixty-two million, nine hundred ninety-two thousand, ninety-one".