7250142165064 has 8 divisors (see below), whose sum is σ = 13594016559510. Its totient is φ = 3625071082528.

The previous prime is 7250142165059. The next prime is 7250142165089. The reversal of 7250142165064 is 4605612410527.

It can be written as a sum of positive squares in only one way, i.e., 3681632262564 + 3568509902500 = 1918758^2 + 1889050^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×7250142165064² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7250142165064.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 453133885309 + ... + 453133885324.

Almost surely, 2^{7250142165064} is an apocalyptic number.

It is an amenable number.

7250142165064 is a deficient number, since it is larger than the sum of its proper divisors (6343874394446).

7250142165064 is a wasteful number, since it uses less digits than its factorization.

7250142165064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906267770639 (or 906267770635 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 7250142165064 in words is "seven trillion, two hundred fifty billion, one hundred forty-two million, one hundred sixty-five thousand, sixty-four".