661160050748 has 6 divisors (see below), whose sum is σ = 1157030088816. Its totient is φ = 330580025372.

The previous prime is 661160050729. The next prime is 661160050787. The reversal of 661160050748 is 847050061166.

It is a super-2 number, since 2×661160050748² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 661160050699 and 661160050708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82645006340 + ... + 82645006347.

It is an arithmetic number, because the mean of its divisors is an integer number (192838348136).

Almost surely, 2^661160050748 is an apocalyptic number.

It is an amenable number.

661160050748 is a deficient number, since it is larger than the sum of its proper divisors (495870038068).

661160050748 is a wasteful number, since it uses less digits than its factorization.

661160050748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165290012691 (or 165290012689 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 661160050748 in words is "six hundred sixty-one billion, one hundred sixty million, fifty thousand, seven hundred forty-eight".