661104150162610 has 192 divisors, whose sum is σ = 1622809057159296. Its totient is φ = 191042762803200.

The previous prime is 661104150162601. The next prime is 661104150162641. The reversal of 661104150162610 is 16261051401166.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 47703561 + ... + 59981980.

It is an arithmetic number, because the mean of its divisors is an integer number (8452130506038).

Almost surely, 2^{661104150162610} is an apocalyptic number.

661104150162610 is an abundant number, since it is smaller than the sum of its proper divisors (961704906996686).

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

661104150162610 is a wasteful number, since it uses less digits than its factorization.

661104150162610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107685657 (or 107685650 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The spelling of 661104150162610 in words is "six hundred sixty-one trillion, one hundred four billion, one hundred fifty million, one hundred sixty-two thousand, six hundred ten".