1656909244 has 6 divisors (see below), whose sum is σ = 2899591184. Its totient is φ = 828454620.

The previous prime is 1656909211. The next prime is 1656909257. The reversal of 1656909244 is 4429096561.

It is a junction number, because it is equal to n+sod(n) for n = 1656909194 and 1656909203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207113652 + ... + 207113659.

Almost surely, 2^1656909244 is an apocalyptic number.

It is an amenable number.

1656909244 is a deficient number, since it is larger than the sum of its proper divisors (1242681940).

1656909244 is a wasteful number, since it uses less digits than its factorization.

1656909244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414227315 (or 414227313 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 46.

The square root of 1656909244 is about 40705.1500918496. The cubic root of 1656909244 is about 1183.3128307673.

The spelling of 1656909244 in words is "one billion, six hundred fifty-six million, nine hundred nine thousand, two hundred forty-four".