1051616515 has 32 divisors (see below), whose sum is σ = 1369626624. Its totient is φ = 772208640.

The previous prime is 1051616509. The next prime is 1051616537. The reversal of 1051616515 is 5156161501.

It is not a de Polignac number, because 1051616515 - 2⁵ = 1051616483 is a prime.

It is a super-2 number, since 2×1051616515² = 2211794589241490450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 657697 + ... + 659293.

It is an arithmetic number, because the mean of its divisors is an integer number (42800832).

Almost surely, 2^1051616515 is an apocalyptic number.

1051616515 is a deficient number, since it is larger than the sum of its proper divisors (318010109).

1051616515 is a wasteful number, since it uses less digits than its factorization.

1051616515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1807.

The product of its (nonzero) digits is 4500, while the sum is 31.

The square root of 1051616515 is about 32428.6372670823. The cubic root of 1051616515 is about 1016.9176830095.

The spelling of 1051616515 in words is "one billion, fifty-one million, six hundred sixteen thousand, five hundred fifteen".