16615051 has 2 divisors, whose sum is σ = 16615052. Its totient is φ = 16615050.

The previous prime is 16615037. The next prime is 16615091. The reversal of 16615051 is 15051661.

It is a weak prime.

It is an emirp because it is prime and its reverse (15051661) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16615051 - 2¹³ = 16606859 is a prime.

It is not a weakly prime, because it can be changed into another prime (16615021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8307525 + 8307526.

It is an arithmetic number, because the mean of its divisors is an integer number (8307526).

Almost surely, 2^16615051 is an apocalyptic number.

16615051 is a deficient number, since it is larger than the sum of its proper divisors (1).

16615051 is an equidigital number, since it uses as much as digits as its factorization.

16615051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 16615051 is about 4076.1564003360. The cubic root of 16615051 is about 255.1725143025.

The spelling of 16615051 in words is "sixteen million, six hundred fifteen thousand, fifty-one".