16615046161 has 16 divisors (see below), whose sum is σ = 19971007488. Its totient is φ = 13522017600.

The previous prime is 16615046159. The next prime is 16615046167. The reversal of 16615046161 is 16164051661.

It is not a de Polignac number, because 16615046161 - 2¹ = 16615046159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16615046161.

It is not an unprimeable number, because it can be changed into a prime (16615046167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 710830 + ... + 733831.

It is an arithmetic number, because the mean of its divisors is an integer number (1248187968).

Almost surely, 2^16615046161 is an apocalyptic number.

It is an amenable number.

16615046161 is a deficient number, since it is larger than the sum of its proper divisors (3355961327).

16615046161 is a wasteful number, since it uses less digits than its factorization.

16615046161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444752.

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 16615046161 in words is "sixteen billion, six hundred fifteen million, forty-six thousand, one hundred sixty-one".