1690751952 has 60 divisors (see below), whose sum is σ = 4735914144. Its totient is φ = 563088960.

The previous prime is 1690751947. The next prime is 1690751977. The reversal of 1690751952 is 2591570961.

It is a junction number, because it is equal to n+sod(n) for n = 1690751898 and 1690751907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183127 + ... + 192137.

Almost surely, 2^1690751952 is an apocalyptic number.

1690751952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1690751952 is an abundant number, since it is smaller than the sum of its proper divisors (3045162192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1690751952 is a wasteful number, since it uses less digits than its factorization.

1690751952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10328 (or 10319 counting only the distinct ones).

The product of its (nonzero) digits is 170100, while the sum is 45.

The square root of 1690751952 is about 41118.7542612857. The cubic root of 1690751952 is about 1191.3150615105.

The spelling of 1690751952 in words is "one billion, six hundred ninety million, seven hundred fifty-one thousand, nine hundred fifty-two".