2001628630157 has 8 divisors (see below), whose sum is σ = 2155629564984. Its totient is φ = 1847631909888.

The previous prime is 2001628630153. The next prime is 2001628630201. The reversal of 2001628630157 is 7510368261002.

It can be written as a sum of positive squares in 4 ways, for example, as 334395036361 + 1667233593796 = 578269^2 + 1291214^2 .

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 2001628630157 - 2² = 2001628630153 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 (2001628630153) 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, 30428 + ... + 2001045.

It is an arithmetic number, because the mean of its divisors is an integer number (269453695623).

Almost surely, 2^{2001628630157} is an apocalyptic number.

It is an amenable number.

2001628630157 is a deficient number, since it is larger than the sum of its proper divisors (154000934827).

2001628630157 is a wasteful number, since it uses less digits than its factorization.

2001628630157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2107279.

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 2001628630157 in words is "two trillion, one billion, six hundred twenty-eight million, six hundred thirty thousand, one hundred fifty-seven".