1900340168 has 16 divisors (see below), whose sum is σ = 3588774000. Its totient is φ = 943333776.

The previous prime is 1900340111. The next prime is 1900340171. The reversal of 1900340168 is 8610430091.

It is a happy number.

It is a super-2 number, since 2×1900340168² = 7222585508228536448, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 853358 + ... + 855581.

It is an arithmetic number, because the mean of its divisors is an integer number (224298375).

Almost surely, 2^1900340168 is an apocalyptic number.

It is an amenable number.

1900340168 is a deficient number, since it is larger than the sum of its proper divisors (1688433832).

1900340168 is a wasteful number, since it uses less digits than its factorization.

1900340168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1709084 (or 1709080 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 1900340168 is about 43592.8912553412. The cubic root of 1900340168 is about 1238.6362408809.

The spelling of 1900340168 in words is "one billion, nine hundred million, three hundred forty thousand, one hundred sixty-eight".