1501660664652 has 24 divisors (see below), whose sum is σ = 3503984558256. Its totient is φ = 500537887168.

The previous prime is 1501660664587. The next prime is 1501660664663. The reversal of 1501660664652 is 2564660661051.

It is a super-3 number, since 3×1501660664652³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1555803 + ... + 2328914.

It is an arithmetic number, because the mean of its divisors is an integer number (145999356594).

Almost surely, 2^{1501660664652} is an apocalyptic number.

1501660664652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1501660664652 is an abundant number, since it is smaller than the sum of its proper divisors (2002323893604).

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

1501660664652 is a wasteful number, since it uses less digits than its factorization.

1501660664652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3916937 (or 3916935 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 48.

The spelling of 1501660664652 in words is "one trillion, five hundred one billion, six hundred sixty million, six hundred sixty-four thousand, six hundred fifty-two".