916199753855 has 4 divisors (see below), whose sum is σ = 1099439704632. Its totient is φ = 732959803080.

The previous prime is 916199753837. The next prime is 916199753867. The reversal of 916199753855 is 558357991619.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-916199753855 is a prime.

It is a super-2 number, since 2×916199753855² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 91619975381 + ... + 91619975390.

It is an arithmetic number, because the mean of its divisors is an integer number (274859926158).

Almost surely, 2^916199753855 is an apocalyptic number.

916199753855 is a deficient number, since it is larger than the sum of its proper divisors (183239950777).

916199753855 is a wasteful number, since it uses less digits than its factorization.

916199753855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183239950776.

The product of its digits is 91854000, while the sum is 68.

The spelling of 916199753855 in words is "nine hundred sixteen billion, one hundred ninety-nine million, seven hundred fifty-three thousand, eight hundred fifty-five".