370670661 has 20 divisors (see below), whose sum is σ = 554723532. Its totient is φ = 246665088.

The previous prime is 370670633. The next prime is 370670687. The reversal of 370670661 is 166076073.

It can be written as a sum of positive squares in 2 ways, for example, as 205033761 + 165636900 = 14319^2 + 12870^2 .

It is not a de Polignac number, because 370670661 - 2¹⁹ = 370146373 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (370670611) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 44175 + ... + 51891.

Almost surely, 2^370670661 is an apocalyptic number.

It is an amenable number.

370670661 is a deficient number, since it is larger than the sum of its proper divisors (184052871).

370670661 is an equidigital number, since it uses as much as digits as its factorization.

370670661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8322 (or 8313 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 370670661 is about 19252.8091716508. The cubic root of 370670661 is about 718.3389312115.

The spelling of 370670661 in words is "three hundred seventy million, six hundred seventy thousand, six hundred sixty-one".