1516153851 has 6 divisors (see below), whose sum is σ = 2190000020. Its totient is φ = 1010769228.

The previous prime is 1516153819. The next prime is 1516153879. The reversal of 1516153851 is 1583516151.

It is a happy number.

1516153851 is a `hidden beast` number, since 1 + 5 + 1 + 615 + 38 + 5 + 1 = 666.

It is not a de Polignac number, because 1516153851 - 2⁵ = 1516153819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1516153151) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 84230761 + ... + 84230778.

Almost surely, 2^1516153851 is an apocalyptic number.

1516153851 is a deficient number, since it is larger than the sum of its proper divisors (673846169).

1516153851 is a wasteful number, since it uses less digits than its factorization.

1516153851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168461545 (or 168461542 counting only the distinct ones).

The product of its digits is 18000, while the sum is 36.

The square root of 1516153851 is about 38937.8203164995. The cubic root of 1516153851 is about 1148.8088109331.

The spelling of 1516153851 in words is "one billion, five hundred sixteen million, one hundred fifty-three thousand, eight hundred fifty-one".