7625515161 has 8 divisors (see below), whose sum is σ = 11091658464. Its totient is φ = 4621524320.

The previous prime is 7625515127. The next prime is 7625515169. The reversal of 7625515161 is 1615155267.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7625515161 - 2¹⁷ = 7625384089 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7625515169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115538076 + ... + 115538141.

It is an arithmetic number, because the mean of its divisors is an integer number (1386457308).

Almost surely, 2^7625515161 is an apocalyptic number.

It is an amenable number.

7625515161 is a deficient number, since it is larger than the sum of its proper divisors (3466143303).

7625515161 is a wasteful number, since it uses less digits than its factorization.

7625515161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231076231.

The product of its digits is 63000, while the sum is 39.

The square root of 7625515161 is about 87324.1957363479. The cubic root of 7625515161 is about 1968.2929168878.

The spelling of 7625515161 in words is "seven billion, six hundred twenty-five million, five hundred fifteen thousand, one hundred sixty-one".