157620535054 has 16 divisors (see below), whose sum is σ = 242341698816. Its totient is φ = 76887998640.

The previous prime is 157620534979. The next prime is 157620535069. The reversal of 157620535054 is 450535026751.

It is a self number, because there is not a number n which added to its sum of digits gives 157620535054.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433902 + ... + 709585.

It is an arithmetic number, because the mean of its divisors is an integer number (15146356176).

Almost surely, 2^157620535054 is an apocalyptic number.

157620535054 is a deficient number, since it is larger than the sum of its proper divisors (84721163762).

157620535054 is an frugal number, since it uses more digits than its factorization.

157620535054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143612 (or 1143530 counting only the distinct ones).

The product of its (nonzero) digits is 630000, while the sum is 43.

The spelling of 157620535054 in words is "one hundred fifty-seven billion, six hundred twenty million, five hundred thirty-five thousand, fifty-four".