1491600159 has 12 divisors (see below), whose sum is σ = 2462324176. Its totient is φ = 852342912.

The previous prime is 1491600157. The next prime is 1491600161. The reversal of 1491600159 is 9510061941.

1491600159 is a `hidden beast` number, since 1 + 49 + 1 + 600 + 1 + 5 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (1491600157) and next prime (1491600161).

It is not a de Polignac number, because 1491600159 - 2¹ = 1491600157 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 (1491600157) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11838034 + ... + 11838159.

Almost surely, 2^1491600159 is an apocalyptic number.

1491600159 is a deficient number, since it is larger than the sum of its proper divisors (970724017).

1491600159 is a wasteful number, since it uses less digits than its factorization.

1491600159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23676206 (or 23676203 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 36.

The square root of 1491600159 is about 38621.2397392937. The cubic root of 1491600159 is about 1142.5734820832.

The spelling of 1491600159 in words is "one billion, four hundred ninety-one million, six hundred thousand, one hundred fifty-nine".