157630617149 has 24 divisors (see below), whose sum is σ = 167769283968. Its totient is φ = 148077709920.

The previous prime is 157630617143. The next prime is 157630617211. The reversal of 157630617149 is 941716036751.

It is not a de Polignac number, because 157630617149 - 2¹² = 157630613053 is a prime.

It is a super-2 number, since 2×157630617149² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 157630617097 and 157630617106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157630617143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22113824 + ... + 22120950.

It is an arithmetic number, because the mean of its divisors is an integer number (6990386832).

Almost surely, 2^157630617149 is an apocalyptic number.

157630617149 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

157630617149 is a deficient number, since it is larger than the sum of its proper divisors (10138666819).

157630617149 is a wasteful number, since it uses less digits than its factorization.

157630617149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7673 (or 7654 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 50.

The spelling of 157630617149 in words is "one hundred fifty-seven billion, six hundred thirty million, six hundred seventeen thousand, one hundred forty-nine".