11645890946 has 8 divisors (see below), whose sum is σ = 17469298704. Its totient is φ = 5822791380.

The previous prime is 11645890877. The next prime is 11645890967. The reversal of 11645890946 is 64909854611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×11645890946² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88961 + ... + 176651.

It is an arithmetic number, because the mean of its divisors is an integer number (2183662338).

Almost surely, 2^11645890946 is an apocalyptic number.

11645890946 is a deficient number, since it is larger than the sum of its proper divisors (5823407758).

11645890946 is an equidigital number, since it uses as much as digits as its factorization.

11645890946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154096.

The product of its (nonzero) digits is 1866240, while the sum is 53.

The spelling of 11645890946 in words is "eleven billion, six hundred forty-five million, eight hundred ninety thousand, nine hundred forty-six".