1171601132646 has 64 divisors (see below), whose sum is σ = 2683471633920. Its totient is φ = 334053089280.

The previous prime is 1171601132627. The next prime is 1171601132659. The reversal of 1171601132646 is 6462311061711.

It is a super-2 number, since 2×1171601132646² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44590405 + ... + 44616671.

It is an arithmetic number, because the mean of its divisors is an integer number (41929244280).

Almost surely, 2^{1171601132646} is an apocalyptic number.

1171601132646 is an abundant number, since it is smaller than the sum of its proper divisors (1511870501274).

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

1171601132646 is a wasteful number, since it uses less digits than its factorization.

1171601132646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28429.

The product of its (nonzero) digits is 36288, while the sum is 39.

The spelling of 1171601132646 in words is "one trillion, one hundred seventy-one billion, six hundred one million, one hundred thirty-two thousand, six hundred forty-six".