157630401607 has 4 divisors (see below), whose sum is σ = 180149030416. Its totient is φ = 135111772800.

The previous prime is 157630401559. The next prime is 157630401637. The reversal of 157630401607 is 706104036751.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 157630401607 - 2¹⁵ = 157630368839 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 157630401607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157630401637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11259314394 + ... + 11259314407.

It is an arithmetic number, because the mean of its divisors is an integer number (45037257604).

Almost surely, 2^157630401607 is an apocalyptic number.

157630401607 is a deficient number, since it is larger than the sum of its proper divisors (22518628809).

157630401607 is an equidigital number, since it uses as much as digits as its factorization.

157630401607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22518628808.

The product of its (nonzero) digits is 105840, while the sum is 40.

The spelling of 157630401607 in words is "one hundred fifty-seven billion, six hundred thirty million, four hundred one thousand, six hundred seven".