150721428658 has 16 divisors (see below), whose sum is σ = 227240487936. Its totient is φ = 74975029920.

The previous prime is 150721428643. The next prime is 150721428677. The reversal of 150721428658 is 856824127051.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 599278 + ... + 812758.

It is an arithmetic number, because the mean of its divisors is an integer number (14202530496).

Almost surely, 2^150721428658 is an apocalyptic number.

150721428658 is a deficient number, since it is larger than the sum of its proper divisors (76519059278).

150721428658 is a wasteful number, since it uses less digits than its factorization.

150721428658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215289.

The product of its (nonzero) digits is 1075200, while the sum is 49.

The spelling of 150721428658 in words is "one hundred fifty billion, seven hundred twenty-one million, four hundred twenty-eight thousand, six hundred fifty-eight".