158728990653 has 24 divisors (see below), whose sum is σ = 229840480896. Its totient is φ = 105558616800.

The previous prime is 158728990621. The next prime is 158728990697. The reversal of 158728990653 is 356099827851.

It is not a de Polignac number, because 158728990653 - 2⁵ = 158728990621 is a prime.

It is a super-2 number, since 2×158728990653² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158728995653) 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, 13410448 + ... + 13422278.

It is an arithmetic number, because the mean of its divisors is an integer number (9576686704).

Almost surely, 2^158728990653 is an apocalyptic number.

It is an amenable number.

158728990653 is a deficient number, since it is larger than the sum of its proper divisors (71111490243).

158728990653 is a wasteful number, since it uses less digits than its factorization.

158728990653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15385 (or 15382 counting only the distinct ones).

The product of its (nonzero) digits is 32659200, while the sum is 63.

The spelling of 158728990653 in words is "one hundred fifty-eight billion, seven hundred twenty-eight million, nine hundred ninety thousand, six hundred fifty-three".