161126877 has 8 divisors (see below), whose sum is σ = 214936416. Its totient is φ = 107367632.

The previous prime is 161126873. The next prime is 161126879. The reversal of 161126877 is 778621161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 161126877 - 2² = 161126873 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161126873) 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, 4323 + ... + 18464.

It is an arithmetic number, because the mean of its divisors is an integer number (26867052).

Almost surely, 2^161126877 is an apocalyptic number.

It is an amenable number.

161126877 is a deficient number, since it is larger than the sum of its proper divisors (53809539).

161126877 is a wasteful number, since it uses less digits than its factorization.

161126877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25147.

The product of its digits is 28224, while the sum is 39.

The square root of 161126877 is about 12693.5762100363. The cubic root of 161126877 is about 544.1550490226.

The spelling of 161126877 in words is "one hundred sixty-one million, one hundred twenty-six thousand, eight hundred seventy-seven".