157773593722272 has 96 divisors (see below), whose sum is σ = 452782024934400. Its totient is φ = 47706918040320.

The previous prime is 157773593722259. The next prime is 157773593722307. The reversal of 157773593722272 is 272227395377751.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 157773593722197 and 157773593722206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160857522 + ... + 161835377.

It is an arithmetic number, because the mean of its divisors is an integer number (4716479426400).

Almost surely, 2^{157773593722272} is an apocalyptic number.

157773593722272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

157773593722272 is an abundant number, since it is smaller than the sum of its proper divisors (295008431212128).

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

157773593722272 is a wasteful number, since it uses less digits than its factorization.

157773593722272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322693386 (or 322693378 counting only the distinct ones).

The product of its digits is 544546800, while the sum is 69.

The spelling of 157773593722272 in words is "one hundred fifty-seven trillion, seven hundred seventy-three billion, five hundred ninety-three million, seven hundred twenty-two thousand, two hundred seventy-two".