3667657161 has 8 divisors (see below), whose sum is σ = 5588810944. Its totient is φ = 2095804080.

The previous prime is 3667657157. The next prime is 3667657171. The reversal of 3667657161 is 1617567663.

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

It is not a de Polignac number, because 3667657161 - 2² = 3667657157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3667657161.

It is not an unprimeable number, because it can be changed into a prime (3667657111) 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, 87325150 + ... + 87325191.

It is an arithmetic number, because the mean of its divisors is an integer number (698601368).

Almost surely, 2^3667657161 is an apocalyptic number.

It is an amenable number.

3667657161 is a deficient number, since it is larger than the sum of its proper divisors (1921153783).

3667657161 is a wasteful number, since it uses less digits than its factorization.

3667657161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174650351.

The product of its digits is 952560, while the sum is 48.

The square root of 3667657161 is about 60561.1852674632. The cubic root of 3667657161 is about 1542.1605084744.

The spelling of 3667657161 in words is "three billion, six hundred sixty-seven million, six hundred fifty-seven thousand, one hundred sixty-one".