2516036621 has 8 divisors (see below), whose sum is σ = 2877313344. Its totient is φ = 2155220640.

The previous prime is 2516036603. The next prime is 2516036623. The reversal of 2516036621 is 1266306152.

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

It is a cyclic number.

It is not a de Polignac number, because 2516036621 - 2⁶ = 2516036557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2516036623) 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, 103400 + ... + 125393.

It is an arithmetic number, because the mean of its divisors is an integer number (359664168).

Almost surely, 2^2516036621 is an apocalyptic number.

It is an amenable number.

2516036621 is a deficient number, since it is larger than the sum of its proper divisors (361276723).

2516036621 is a wasteful number, since it uses less digits than its factorization.

2516036621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230371.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 2516036621 is about 50160.1098583326. The cubic root of 2516036621 is about 1360.1046309711.

The spelling of 2516036621 in words is "two billion, five hundred sixteen million, thirty-six thousand, six hundred twenty-one".