1516497146 has 8 divisors (see below), whose sum is σ = 2274989760. Its totient is φ = 758167228.

The previous prime is 1516497139. The next prime is 1516497167. The reversal of 1516497146 is 6417946151.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1516497146² = 4599527187652290632, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1516497097 and 1516497106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13826 + ... + 56781.

It is an arithmetic number, because the mean of its divisors is an integer number (284373720).

Almost surely, 2^1516497146 is an apocalyptic number.

1516497146 is a deficient number, since it is larger than the sum of its proper divisors (758492614).

1516497146 is a wasteful number, since it uses less digits than its factorization.

1516497146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81348.

The product of its digits is 181440, while the sum is 44.

The square root of 1516497146 is about 38942.2283132334. The cubic root of 1516497146 is about 1148.8955107005.

The spelling of 1516497146 in words is "one billion, five hundred sixteen million, four hundred ninety-seven thousand, one hundred forty-six".