1918916343202 has 8 divisors (see below), whose sum is σ = 2887070511312. Its totient is φ = 956559506100.

The previous prime is 1918916343173. The next prime is 1918916343251. The reversal of 1918916343202 is 2023436198191.

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

It is a super-2 number, since 2×1918916343202² (a number of 25 digits) contains 22 as substring.

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, 1449331924 + ... + 1449333247.

It is an arithmetic number, because the mean of its divisors is an integer number (360883813914).

Almost surely, 2^{1918916343202} is an apocalyptic number.

1918916343202 is a deficient number, since it is larger than the sum of its proper divisors (968154168110).

1918916343202 is a wasteful number, since it uses less digits than its factorization.

1918916343202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2898665504.

The product of its (nonzero) digits is 559872, while the sum is 49.

The spelling of 1918916343202 in words is "one trillion, nine hundred eighteen billion, nine hundred sixteen million, three hundred forty-three thousand, two hundred two".