157663075550 has 48 divisors (see below), whose sum is σ = 296297410752. Its totient is φ = 62411184000.

The previous prime is 157663075529. The next prime is 157663075561. The reversal of 157663075550 is 55570366751.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12836012 + ... + 12848288.

It is an arithmetic number, because the mean of its divisors is an integer number (6172862724).

Almost surely, 2^157663075550 is an apocalyptic number.

157663075550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157663075550 is a deficient number, since it is larger than the sum of its proper divisors (138634335202).

157663075550 is a wasteful number, since it uses less digits than its factorization.

157663075550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14933 (or 14928 counting only the distinct ones).

The product of its (nonzero) digits is 3307500, while the sum is 50.

The spelling of 157663075550 in words is "one hundred fifty-seven billion, six hundred sixty-three million, seventy-five thousand, five hundred fifty".