157731329096640 has 336 divisors, whose sum is σ = 604410140224800. Its totient is φ = 37487339495424.

The previous prime is 157731329096629. The next prime is 157731329096683. The reversal of 157731329096640 is 46690923137751.

It is a happy number.

157731329096640 is a `hidden beast` number, since 1 + 577 + 3 + 13 + 2 + 9 + 0 + 9 + 6 + 6 + 40 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 71550610 + ... + 73722129.

It is an arithmetic number, because the mean of its divisors is an integer number (1798839703050).

Almost surely, 2^{157731329096640} is an apocalyptic number.

157731329096640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157731329096640 is an abundant number, since it is smaller than the sum of its proper divisors (446678811128160).

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

157731329096640 is a wasteful number, since it uses less digits than its factorization.

157731329096640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145272804 (or 145272791 counting only the distinct ones).

The product of its (nonzero) digits is 51438240, while the sum is 63.

The spelling of 157731329096640 in words is "one hundred fifty-seven trillion, seven hundred thirty-one billion, three hundred twenty-nine million, ninety-six thousand, six hundred forty".