2215738961608 has 32 divisors (see below), whose sum is σ = 4168669224960. Its totient is φ = 1104095341440.

The previous prime is 2215738961599. The next prime is 2215738961629. The reversal of 2215738961608 is 8061698375122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12005241 + ... + 12188407.

It is an arithmetic number, because the mean of its divisors is an integer number (130270913280).

Almost surely, 2^{2215738961608} is an apocalyptic number.

It is an amenable number.

2215738961608 is a deficient number, since it is larger than the sum of its proper divisors (1952930263352).

2215738961608 is a wasteful number, since it uses less digits than its factorization.

2215738961608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188317 (or 188313 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 58.

The spelling of 2215738961608 in words is "two trillion, two hundred fifteen billion, seven hundred thirty-eight million, nine hundred sixty-one thousand, six hundred eight".