611916190927 has 4 divisors (see below), whose sum is σ = 611918843776. Its totient is φ = 611913538080.

The previous prime is 611916190889. The next prime is 611916190933. The reversal of 611916190927 is 729091619116.

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

It is a cyclic number.

It is not a de Polignac number, because 611916190927 - 2¹¹ = 611916188879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611916190027) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 943599 + ... + 1454032.

It is an arithmetic number, because the mean of its divisors is an integer number (152979710944).

Almost surely, 2^611916190927 is an apocalyptic number.

611916190927 is a deficient number, since it is larger than the sum of its proper divisors (2652849).

611916190927 is a wasteful number, since it uses less digits than its factorization.

611916190927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2652848.

The product of its (nonzero) digits is 367416, while the sum is 52.

The spelling of 611916190927 in words is "six hundred eleven billion, nine hundred sixteen million, one hundred ninety thousand, nine hundred twenty-seven".