20150660326466 has 8 divisors (see below), whose sum is σ = 31816832094480. Its totient is φ = 9545049628308.

The previous prime is 20150660326457. The next prime is 20150660326469. The reversal of 20150660326466 is 66462306605102.

It is a happy number.

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

It is a super-2 number, since 2×20150660326466² (a number of 27 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 20150660326466.

It is not an unprimeable number, because it can be changed into a prime (20150660326469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265140267416 + ... + 265140267491.

It is an arithmetic number, because the mean of its divisors is an integer number (3977104011810).

Almost surely, 2^{20150660326466} is an apocalyptic number.

20150660326466 is a deficient number, since it is larger than the sum of its proper divisors (11666171768014).

20150660326466 is a wasteful number, since it uses less digits than its factorization.

20150660326466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530280534928.

The product of its (nonzero) digits is 1866240, while the sum is 47.

The spelling of 20150660326466 in words is "twenty trillion, one hundred fifty billion, six hundred sixty million, three hundred twenty-six thousand, four hundred sixty-six".