161156654 has 16 divisors (see below), whose sum is σ = 251017920. Its totient is φ = 77505120.

The previous prime is 161156627. The next prime is 161156657. The reversal of 161156654 is 456651161.

161156654 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161156657) 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, 10592 + ... + 20844.

It is an arithmetic number, because the mean of its divisors is an integer number (15688620).

Almost surely, 2^161156654 is an apocalyptic number.

161156654 is a deficient number, since it is larger than the sum of its proper divisors (89861266).

161156654 is a wasteful number, since it uses less digits than its factorization.

161156654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10555.

The product of its digits is 21600, while the sum is 35.

The square root of 161156654 is about 12694.7490719588. The cubic root of 161156654 is about 544.1885677567.

The spelling of 161156654 in words is "one hundred sixty-one million, one hundred fifty-six thousand, six hundred fifty-four".