161077103 has 8 divisors (see below), whose sum is σ = 175935360. Its totient is φ = 146254680.

The previous prime is 161077019. The next prime is 161077109. The reversal of 161077103 is 301770161.

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

It is not a de Polignac number, because 161077103 - 2²⁴ = 144299887 is a prime.

It is a super-2 number, since 2×161077103² = 51891666221745218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161077109) 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, 926 + ... + 17972.

It is an arithmetic number, because the mean of its divisors is an integer number (21991920).

Almost surely, 2^161077103 is an apocalyptic number.

161077103 is a deficient number, since it is larger than the sum of its proper divisors (14858257).

161077103 is a wasteful number, since it uses less digits than its factorization.

161077103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17917.

The product of its (nonzero) digits is 882, while the sum is 26.

The square root of 161077103 is about 12691.6154606102. The cubic root of 161077103 is about 544.0990112729.

The spelling of 161077103 in words is "one hundred sixty-one million, seventy-seven thousand, one hundred three".