1601168751 has 48 divisors (see below), whose sum is σ = 2865844800. Its totient is φ = 838840320.

The previous prime is 1601168719. The next prime is 1601168797. The reversal of 1601168751 is 1578611061.

It is not a de Polignac number, because 1601168751 - 2⁵ = 1601168719 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1601168351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 115471 + ... + 128591.

It is an arithmetic number, because the mean of its divisors is an integer number (59705100).

Almost surely, 2^1601168751 is an apocalyptic number.

1601168751 is a deficient number, since it is larger than the sum of its proper divisors (1264676049).

1601168751 is a wasteful number, since it uses less digits than its factorization.

1601168751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13296 (or 13293 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 36.

The square root of 1601168751 is about 40014.6067205464. The cubic root of 1601168751 is about 1169.8918133584.

The spelling of 1601168751 in words is "one billion, six hundred one million, one hundred sixty-eight thousand, seven hundred fifty-one".