168740763 has 24 divisors (see below), whose sum is σ = 238138368. Its totient is φ = 106229088.

The previous prime is 168740749. The next prime is 168740771. The reversal of 168740763 is 367047861.

It is not a de Polignac number, because 168740763 - 2⁶ = 168740699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (168740713) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117870 + ... + 119292.

It is an arithmetic number, because the mean of its divisors is an integer number (9922432).

Almost surely, 2^168740763 is an apocalyptic number.

168740763 is a deficient number, since it is larger than the sum of its proper divisors (69397605).

168740763 is a wasteful number, since it uses less digits than its factorization.

168740763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1531 (or 1502 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 168740763 is about 12990.0255196054. The cubic root of 168740763 is about 552.5946418272.

The spelling of 168740763 in words is "one hundred sixty-eight million, seven hundred forty thousand, seven hundred sixty-three".