161127044 has 12 divisors (see below), whose sum is σ = 303662604. Its totient is φ = 74366304.

The previous prime is 161127019. The next prime is 161127067. The reversal of 161127044 is 440721161.

It can be written as a sum of positive squares in 2 ways, for example, as 75342400 + 85784644 = 8680^2 + 9262^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1549247 + ... + 1549350.

It is an arithmetic number, because the mean of its divisors is an integer number (25305217).

Almost surely, 2^161127044 is an apocalyptic number.

It is an amenable number.

161127044 is a deficient number, since it is larger than the sum of its proper divisors (142535560).

161127044 is a wasteful number, since it uses less digits than its factorization.

161127044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3098614 (or 3098612 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 161127044 is about 12693.5827881650. The cubic root of 161127044 is about 544.1552370191.

The spelling of 161127044 in words is "one hundred sixty-one million, one hundred twenty-seven thousand, forty-four".