157630401655 has 8 divisors (see below), whose sum is σ = 190645903872. Its totient is φ = 125111373408.

The previous prime is 157630401637. The next prime is 157630401659. The reversal of 157630401655 is 556104036751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 157630401655 - 2⁷ = 157630401527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157630401659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124117792 + ... + 124119061.

It is an arithmetic number, because the mean of its divisors is an integer number (23830737984).

Almost surely, 2^157630401655 is an apocalyptic number.

157630401655 is a deficient number, since it is larger than the sum of its proper divisors (33015502217).

157630401655 is a wasteful number, since it uses less digits than its factorization.

157630401655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248236985.

The product of its (nonzero) digits is 378000, while the sum is 43.

The spelling of 157630401655 in words is "one hundred fifty-seven billion, six hundred thirty million, four hundred one thousand, six hundred fifty-five".