1516806969 has 8 divisors (see below), whose sum is σ = 2033583552. Its totient is φ = 1005617520.

The previous prime is 1516806959. The next prime is 1516807021. The reversal of 1516806969 is 9696086151.

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

It is not a de Polignac number, because 1516806969 - 2⁴ = 1516806953 is a prime.

It is a super-2 number, since 2×1516806969² = 4601406762413933922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1516806959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1396149 + ... + 1397234.

It is an arithmetic number, because the mean of its divisors is an integer number (254197944).

Almost surely, 2^1516806969 is an apocalyptic number.

It is an amenable number.

1516806969 is a deficient number, since it is larger than the sum of its proper divisors (516776583).

1516806969 is a wasteful number, since it uses less digits than its factorization.

1516806969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2793567.

The product of its (nonzero) digits is 699840, while the sum is 51.

The square root of 1516806969 is about 38946.2060925066. The cubic root of 1516806969 is about 1148.9737458221.

The spelling of 1516806969 in words is "one billion, five hundred sixteen million, eight hundred six thousand, nine hundred sixty-nine".