161354703 has 4 divisors (see below), whose sum is σ = 215139608. Its totient is φ = 107569800.

The previous prime is 161354689. The next prime is 161354723. The reversal of 161354703 is 307453161.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 161354703 - 2¹³ = 161346511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161354723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26892448 + ... + 26892453.

It is an arithmetic number, because the mean of its divisors is an integer number (53784902).

Almost surely, 2^161354703 is an apocalyptic number.

161354703 is a deficient number, since it is larger than the sum of its proper divisors (53784905).

161354703 is an equidigital number, since it uses as much as digits as its factorization.

161354703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53784904.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 161354703 is about 12702.5471067814. The cubic root of 161354703 is about 544.4113983166.

The spelling of 161354703 in words is "one hundred sixty-one million, three hundred fifty-four thousand, seven hundred three".