1501660661148 has 30 divisors (see below), whose sum is σ = 3925637593416. Its totient is φ = 500553553608.

The previous prime is 1501660661099. The next prime is 1501660661153. The reversal of 1501660661148 is 8411660661051.

1501660661148 is a `hidden beast` number, since 15 + 0 + 16 + 6 + 0 + 6 + 611 + 4 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2317377240 + ... + 2317377887.

Almost surely, 2^{1501660661148} is an apocalyptic number.

1501660661148 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1501660661148 is an abundant number, since it is smaller than the sum of its proper divisors (2423976932268).

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

1501660661148 is a wasteful number, since it uses less digits than its factorization.

1501660661148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4634755143 (or 4634755132 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 1501660661148 in words is "one trillion, five hundred one billion, six hundred sixty million, six hundred sixty-one thousand, one hundred forty-eight".