3661701057 has 36 divisors (see below), whose sum is σ = 6164850276. Its totient is φ = 2088253440.

The previous prime is 3661701031. The next prime is 3661701079. The reversal of 3661701057 is 7501071663.

3661701057 is a `hidden beast` number, since 36 + 617 + 0 + 1 + 0 + 5 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1806590016 + 1855111041 = 42504^2 + 43071^2 .

It is not a de Polignac number, because 3661701057 - 2²² = 3657506753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3661701007) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 221793 + ... + 237729.

It is an arithmetic number, because the mean of its divisors is an integer number (171245841).

Almost surely, 2^3661701057 is an apocalyptic number.

It is an amenable number.

3661701057 is a deficient number, since it is larger than the sum of its proper divisors (2503149219).

3661701057 is a wasteful number, since it uses less digits than its factorization.

3661701057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16478 (or 16468 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 3661701057 is about 60511.9910183098. The cubic root of 3661701057 is about 1541.3252572855.

The spelling of 3661701057 in words is "three billion, six hundred sixty-one million, seven hundred one thousand, fifty-seven".