902615021966 has 48 divisors (see below), whose sum is σ = 1601683593120. Its totient is φ = 380308158720.

The previous prime is 902615021963. The next prime is 902615021983. The reversal of 902615021966 is 669120516209.

It is a self number, because there is not a number n which added to its sum of digits gives 902615021966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (902615021963) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2022050 + ... + 2427738.

It is an arithmetic number, because the mean of its divisors is an integer number (33368408190).

Almost surely, 2^902615021966 is an apocalyptic number.

902615021966 is a deficient number, since it is larger than the sum of its proper divisors (699068571154).

902615021966 is a wasteful number, since it uses less digits than its factorization.

902615021966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406089 (or 406082 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 47.

The spelling of 902615021966 in words is "nine hundred two billion, six hundred fifteen million, twenty-one thousand, nine hundred sixty-six".