156100666661004 has 96 divisors (see below), whose sum is σ = 394792114268160. Its totient is φ = 47720120318208.

The previous prime is 156100666661003. The next prime is 156100666661047. The reversal of 156100666661004 is 400166666001651.

It is not an unprimeable number, because it can be changed into a prime (156100666661003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 240652897 + ... + 241300679.

It is an arithmetic number, because the mean of its divisors is an integer number (4112417856960).

Almost surely, 2^{156100666661004} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 156100666661004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197396057134080).

156100666661004 is an abundant number, since it is smaller than the sum of its proper divisors (238691447607156).

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

156100666661004 is a wasteful number, since it uses less digits than its factorization.

156100666661004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657799 (or 657797 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 48.

The spelling of 156100666661004 in words is "one hundred fifty-six trillion, one hundred billion, six hundred sixty-six million, six hundred sixty-one thousand, four".