3451561165 has 8 divisors (see below), whose sum is σ = 4460479128. Its totient is φ = 2548845120.

The previous prime is 3451561151. The next prime is 3451561181. The reversal of 3451561165 is 5611651543.

It can be written as a sum of positive squares in 4 ways, for example, as 11269449 + 3440291716 = 3357^2 + 58654^2 .

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

It is not a de Polignac number, because 3451561165 - 2⁵ = 3451561133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26550406 + ... + 26550535.

It is an arithmetic number, because the mean of its divisors is an integer number (557559891).

Almost surely, 2^3451561165 is an apocalyptic number.

It is an amenable number.

3451561165 is a deficient number, since it is larger than the sum of its proper divisors (1008917963).

3451561165 is a wasteful number, since it uses less digits than its factorization.

3451561165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53100959.

The product of its digits is 54000, while the sum is 37.

The square root of 3451561165 is about 58749.9886382968. The cubic root of 3451561165 is about 1511.2576930097.

The spelling of 3451561165 in words is "three billion, four hundred fifty-one million, five hundred sixty-one thousand, one hundred sixty-five".