1516998395 has 8 divisors (see below), whose sum is σ = 1985888880. Its totient is φ = 1103271520.

The previous prime is 1516998341. The next prime is 1516998443. The reversal of 1516998395 is 5938996151.

It is a happy number.

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

It is not a de Polignac number, because 1516998395 - 2²⁰ = 1515949819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1516998395.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13790840 + ... + 13790949.

It is an arithmetic number, because the mean of its divisors is an integer number (248236110).

Almost surely, 2^1516998395 is an apocalyptic number.

1516998395 is a deficient number, since it is larger than the sum of its proper divisors (468890485).

1516998395 is a wasteful number, since it uses less digits than its factorization.

1516998395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27581805.

The product of its digits is 2624400, while the sum is 56.

The square root of 1516998395 is about 38948.6635842618. The cubic root of 1516998395 is about 1149.0220785370.

The spelling of 1516998395 in words is "one billion, five hundred sixteen million, nine hundred ninety-eight thousand, three hundred ninety-five".