6615960993602 has 8 divisors (see below), whose sum is σ = 9940130630076. Its totient is φ = 3302584116912.

The previous prime is 6615960993569. The next prime is 6615960993641. The reversal of 6615960993602 is 2063990695166.

It can be written as a sum of positive squares in 2 ways, for example, as 5934773227321 + 681187766281 = 2436139^2 + 825341^2 .

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

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, 2698188413 + ... + 2698190864.

Almost surely, 2^{6615960993602} is an apocalyptic number.

6615960993602 is a deficient number, since it is larger than the sum of its proper divisors (3324169636474).

6615960993602 is a wasteful number, since it uses less digits than its factorization.

6615960993602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5396379892.

The product of its (nonzero) digits is 28343520, while the sum is 62.

The spelling of 6615960993602 in words is "six trillion, six hundred fifteen billion, nine hundred sixty million, nine hundred ninety-three thousand, six hundred two".