641650200157 has 8 divisors (see below), whose sum is σ = 679454136000. Its totient is φ = 603852909504.

The previous prime is 641650200091. The next prime is 641650200181. The reversal of 641650200157 is 751002056146.

It is a happy number.

641650200157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 641650200157 - 2⁷ = 641650200029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641650200557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1461807 + ... + 1849372.

It is an arithmetic number, because the mean of its divisors is an integer number (84931767000).

Almost surely, 2^641650200157 is an apocalyptic number.

It is an amenable number.

641650200157 is a deficient number, since it is larger than the sum of its proper divisors (37803935843).

641650200157 is a wasteful number, since it uses less digits than its factorization.

641650200157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3322595.

The product of its (nonzero) digits is 50400, while the sum is 37.

The spelling of 641650200157 in words is "six hundred forty-one billion, six hundred fifty million, two hundred thousand, one hundred fifty-seven".