161494754 has 16 divisors (see below), whose sum is σ = 246286656. Its totient is φ = 79405200.

The previous prime is 161494733. The next prime is 161494757. The reversal of 161494754 is 457494161.

161494754 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (161494757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64229 + ... + 66695.

It is an arithmetic number, because the mean of its divisors is an integer number (15392916).

Almost surely, 2^161494754 is an apocalyptic number.

161494754 is a deficient number, since it is larger than the sum of its proper divisors (84791902).

161494754 is a wasteful number, since it uses less digits than its factorization.

161494754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3001.

The product of its digits is 120960, while the sum is 41.

The square root of 161494754 is about 12708.0586243533. The cubic root of 161494754 is about 544.5688636408.

The spelling of 161494754 in words is "one hundred sixty-one million, four hundred ninety-four thousand, seven hundred fifty-four".