168690950 has 24 divisors (see below), whose sum is σ = 314204592. Its totient is φ = 67381920.

The previous prime is 168690931. The next prime is 168690953. The reversal of 168690950 is 59096861.

It is a super-2 number, since 2×168690950² = 56913273223805000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168690953) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41927 + ... + 45773.

It is an arithmetic number, because the mean of its divisors is an integer number (13091858).

Almost surely, 2^168690950 is an apocalyptic number.

168690950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

168690950 is a deficient number, since it is larger than the sum of its proper divisors (145513642).

168690950 is a wasteful number, since it uses less digits than its factorization.

168690950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4736 (or 4731 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 168690950 is about 12988.1080223411. The cubic root of 168690950 is about 552.5402603696.

The spelling of 168690950 in words is "one hundred sixty-eight million, six hundred ninety thousand, nine hundred fifty".