132991591665933 has 192 divisors, whose sum is σ = 260909560504320. Its totient is φ = 63036072460800.

The previous prime is 132991591665929. The next prime is 132991591665937. The reversal of 132991591665933 is 339566195199231.

132991591665933 is a `hidden beast` number, since 1 + 3 + 2 + 9 + 9 + 15 + 9 + 16 + 6 + 593 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (132991591665929) and next prime (132991591665937).

It is not a de Polignac number, because 132991591665933 - 2² = 132991591665929 is a prime.

It is a super-4 number, since 4×132991591665933⁴ (a number of 58 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132991591665937) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 501876048 + ... + 502140966.

It is an arithmetic number, because the mean of its divisors is an integer number (1358903960960).

Almost surely, 2^{132991591665933} is an apocalyptic number.

132991591665933 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

132991591665933 is a deficient number, since it is larger than the sum of its proper divisors (127917968838387).

132991591665933 is a wasteful number, since it uses less digits than its factorization.

132991591665933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265600 (or 265597 counting only the distinct ones).

The product of its digits is 318864600, while the sum is 72.

The spelling of 132991591665933 in words is "one hundred thirty-two trillion, nine hundred ninety-one billion, five hundred ninety-one million, six hundred sixty-five thousand, nine hundred thirty-three".