1651255937166 has 32 divisors (see below), whose sum is σ = 3604179955968. Its totient is φ = 500180624640.

The previous prime is 1651255937159. The next prime is 1651255937189. The reversal of 1651255937166 is 6617395521561.

It is a happy number.

It is a super-2 number, since 2×1651255937166² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4832611 + ... + 5163006.

It is an arithmetic number, because the mean of its divisors is an integer number (112630623624).

Almost surely, 2^{1651255937166} is an apocalyptic number.

1651255937166 is an abundant number, since it is smaller than the sum of its proper divisors (1952924018802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1651255937166 is a wasteful number, since it uses less digits than its factorization.

1651255937166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9998136.

The product of its digits is 10206000, while the sum is 57.

The spelling of 1651255937166 in words is "one trillion, six hundred fifty-one billion, two hundred fifty-five million, nine hundred thirty-seven thousand, one hundred sixty-six".