16000616615 has 4 divisors (see below), whose sum is σ = 19200739944. Its totient is φ = 12800493288.

The previous prime is 16000616603. The next prime is 16000616627. The reversal of 16000616615 is 51661600061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51661600061 = 1741 ⋅29673521.

It is an interprime number because it is at equal distance from previous prime (16000616603) and next prime (16000616627).

It is a cyclic number.

It is not a de Polignac number, because 16000616615 - 2¹⁸ = 16000354471 is a prime.

It is a Duffinian number.

It is a congruent 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, 1600061657 + ... + 1600061666.

It is an arithmetic number, because the mean of its divisors is an integer number (4800184986).

Almost surely, 2^16000616615 is an apocalyptic number.

16000616615 is a deficient number, since it is larger than the sum of its proper divisors (3200123329).

16000616615 is an equidigital number, since it uses as much as digits as its factorization.

16000616615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3200123328.

The product of its (nonzero) digits is 6480, while the sum is 32.

The spelling of 16000616615 in words is "sixteen billion, six hundred sixteen thousand, six hundred fifteen".