3516012057621 has 8 divisors (see below), whose sum is σ = 5357732659264. Its totient is φ = 2009149747200.

The previous prime is 3516012057599. The next prime is 3516012057631. The reversal of 3516012057621 is 1267502106153.

3516012057621 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 3516012057621 - 2¹⁸ = 3516011795477 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3516012057621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3516012057631) 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, 83714572780 + ... + 83714572821.

It is an arithmetic number, because the mean of its divisors is an integer number (669716582408).

Almost surely, 2^{3516012057621} is an apocalyptic number.

It is an amenable number.

3516012057621 is a deficient number, since it is larger than the sum of its proper divisors (1841720601643).

3516012057621 is a wasteful number, since it uses less digits than its factorization.

3516012057621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167429145611.

The product of its (nonzero) digits is 75600, while the sum is 39.

The spelling of 3516012057621 in words is "three trillion, five hundred sixteen billion, twelve million, fifty-seven thousand, six hundred twenty-one".