2191877295106 has 16 divisors (see below), whose sum is σ = 3327851314368. Its totient is φ = 1082596882000.

The previous prime is 2191877295037. The next prime is 2191877295121. The reversal of 2191877295106 is 6015927781912.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 475971 + ... + 2147161.

It is an arithmetic number, because the mean of its divisors is an integer number (207990707148).

Almost surely, 2^{2191877295106} is an apocalyptic number.

2191877295106 is a deficient number, since it is larger than the sum of its proper divisors (1135974019262).

2191877295106 is a wasteful number, since it uses less digits than its factorization.

2191877295106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1679177.

The product of its (nonzero) digits is 3810240, while the sum is 58.

The spelling of 2191877295106 in words is "two trillion, one hundred ninety-one billion, eight hundred seventy-seven million, two hundred ninety-five thousand, one hundred six".