1599995157 has 16 divisors (see below), whose sum is σ = 2206728192. Its totient is φ = 1030106160.

The previous prime is 1599995143. The next prime is 1599995167. The reversal of 1599995157 is 7515999951.

It is not a de Polignac number, because 1599995157 - 2¹⁴ = 1599978773 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1599995157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1599995167) 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, 27628 + ... + 62954.

It is an arithmetic number, because the mean of its divisors is an integer number (137920512).

Almost surely, 2^1599995157 is an apocalyptic number.

It is an amenable number.

1599995157 is a deficient number, since it is larger than the sum of its proper divisors (606733035).

1599995157 is a wasteful number, since it uses less digits than its factorization.

1599995157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35848.

The product of its digits is 5740875, while the sum is 60.

The square root of 1599995157 is about 39999.9394624542. The cubic root of 1599995157 is about 1169.6059151991.

It can be divided in two parts, 15999 and 95157, that added together give a triangular number (111156 = T₄₇₁).

The spelling of 1599995157 in words is "one billion, five hundred ninety-nine million, nine hundred ninety-five thousand, one hundred fifty-seven".