157650042993 has 16 divisors (see below), whose sum is σ = 214870395840. Its totient is φ = 102783320064.

The previous prime is 157650042971. The next prime is 157650043009. The reversal of 157650042993 is 399240056751.

It is not a de Polignac number, because 157650042993 - 2⁵ = 157650042961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157650042943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2273296 + ... + 2341617.

It is an arithmetic number, because the mean of its divisors is an integer number (13429399740).

Almost surely, 2^157650042993 is an apocalyptic number.

It is an amenable number.

157650042993 is a deficient number, since it is larger than the sum of its proper divisors (57220352847).

157650042993 is a wasteful number, since it uses less digits than its factorization.

157650042993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4615168.

The product of its (nonzero) digits is 2041200, while the sum is 51.

The spelling of 157650042993 in words is "one hundred fifty-seven billion, six hundred fifty million, forty-two thousand, nine hundred ninety-three".