7464539801161 has 9 divisors (see below), whose sum is σ = 7474330917991. Its totient is φ = 7454761504312.

The previous prime is 7464539801153. The next prime is 7464539801177. The reversal of 7464539801161 is 1611089354647.

The square root of 7464539801161 is 2732131.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3747186135225 + 3717353665936 = 1935765^2 + 1928044^2 .

It is not a de Polignac number, because 7464539801161 - 2³ = 7464539801153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7464539801101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3013539255 + ... + 3013541731.

Almost surely, 2^{7464539801161} is an apocalyptic number.

7464539801161 is the 2732131-st square number.

7464539801161 is the 1366066-th centered octagonal number.

It is an amenable number.

7464539801161 is a deficient number, since it is larger than the sum of its proper divisors (9791116830).

7464539801161 is an frugal number, since it uses more digits than its factorization.

7464539801161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7160 (or 3580 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 7464539801161 in words is "seven trillion, four hundred sixty-four billion, five hundred thirty-nine million, eight hundred one thousand, one hundred sixty-one".