7245156664122 has 32 divisors (see below), whose sum is σ = 16143054641280. Its totient is φ = 2152407284160.

The previous prime is 7245156664079. The next prime is 7245156664129. The reversal of 7245156664122 is 2214666515427.

It is not an unprimeable number, because it can be changed into a prime (7245156664129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1601491254 + ... + 1601495777.

It is an arithmetic number, because the mean of its divisors is an integer number (504470457540).

Almost surely, 2^{7245156664122} is an apocalyptic number.

7245156664122 is an abundant number, since it is smaller than the sum of its proper divisors (8897897977158).

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

7245156664122 is a wasteful number, since it uses less digits than its factorization.

7245156664122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3202987078.

The product of its digits is 4838400, while the sum is 51.

The spelling of 7245156664122 in words is "seven trillion, two hundred forty-five billion, one hundred fifty-six million, six hundred sixty-four thousand, one hundred twenty-two".