16115625161 has 8 divisors (see below), whose sum is σ = 16201641600. Its totient is φ = 16029745200.

The previous prime is 16115625139. The next prime is 16115625199. The reversal of 16115625161 is 16152651161.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16115625161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16115625121) 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, 207200 + ... + 274158.

It is an arithmetic number, because the mean of its divisors is an integer number (2025205200).

Almost surely, 2^16115625161 is an apocalyptic number.

It is an amenable number.

16115625161 is a deficient number, since it is larger than the sum of its proper divisors (86016439).

16115625161 is a wasteful number, since it uses less digits than its factorization.

16115625161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68239.

The product of its digits is 10800, while the sum is 35.

The spelling of 16115625161 in words is "sixteen billion, one hundred fifteen million, six hundred twenty-five thousand, one hundred sixty-one".