1651236055642 has 16 divisors (see below), whose sum is σ = 2503611082080. Its totient is φ = 816745361328.

The previous prime is 1651236055627. The next prime is 1651236055649. The reversal of 1651236055642 is 2465506321561.

It is a super-2 number, since 2×1651236055642² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1651236055592 and 1651236055601.

It is not an unprimeable number, because it can be changed into a prime (1651236055649) 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 7 ways as a sum of consecutive naturals, for example, 11511792 + ... + 11654347.

It is an arithmetic number, because the mean of its divisors is an integer number (156475692630).

Almost surely, 2^{1651236055642} is an apocalyptic number.

1651236055642 is a deficient number, since it is larger than the sum of its proper divisors (852375026438).

1651236055642 is a wasteful number, since it uses less digits than its factorization.

1651236055642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23166525.

The product of its (nonzero) digits is 1296000, while the sum is 46.

The spelling of 1651236055642 in words is "one trillion, six hundred fifty-one billion, two hundred thirty-six million, fifty-five thousand, six hundred forty-two".