1516815054 has 12 divisors (see below), whose sum is σ = 3286432656. Its totient is φ = 505605012.

The previous prime is 1516815007. The next prime is 1516815059. The reversal of 1516815054 is 4505186151.

It is a super-3 number, since 3×1516815054³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1516815059) 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, 42133734 + ... + 42133769.

It is an arithmetic number, because the mean of its divisors is an integer number (273869388).

Almost surely, 2^1516815054 is an apocalyptic number.

1516815054 is an abundant number, since it is smaller than the sum of its proper divisors (1769617602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1516815054 is a wasteful number, since it uses less digits than its factorization.

1516815054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84267511 (or 84267508 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 36.

The square root of 1516815054 is about 38946.3098893849. The cubic root of 1516815054 is about 1148.9757872675.

The spelling of 1516815054 in words is "one billion, five hundred sixteen million, eight hundred fifteen thousand, fifty-four".