16961034515 has 4 divisors (see below), whose sum is σ = 20353241424. Its totient is φ = 13568827608.

The previous prime is 16961034473. The next prime is 16961034539. The reversal of 16961034515 is 51543016961.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16961034515 - 2²⁶ = 16893925651 is a prime.

It is a Duffinian number.

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, 1696103447 + ... + 1696103456.

It is an arithmetic number, because the mean of its divisors is an integer number (5088310356).

Almost surely, 2^16961034515 is an apocalyptic number.

16961034515 is a deficient number, since it is larger than the sum of its proper divisors (3392206909).

16961034515 is an equidigital number, since it uses as much as digits as its factorization.

16961034515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3392206908.

The product of its (nonzero) digits is 97200, while the sum is 41.

The spelling of 16961034515 in words is "sixteen billion, nine hundred sixty-one million, thirty-four thousand, five hundred fifteen".