10661764190 has 64 divisors (see below), whose sum is σ = 23964761088. Its totient is φ = 3317856000.

The previous prime is 10661764171. The next prime is 10661764207. The reversal of 10661764190 is 9146716601.

It is a super-2 number, since 2×10661764190² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 487490 + ... + 508890.

It is an arithmetic number, because the mean of its divisors is an integer number (374449392).

Almost surely, 2^10661764190 is an apocalyptic number.

10661764190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10661764190 is an abundant number, since it is smaller than the sum of its proper divisors (13302996898).

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

10661764190 is a wasteful number, since it uses less digits than its factorization.

10661764190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22073.

The product of its (nonzero) digits is 54432, while the sum is 41.

The spelling of 10661764190 in words is "ten billion, six hundred sixty-one million, seven hundred sixty-four thousand, one hundred ninety".