161269346254 has 8 divisors (see below), whose sum is σ = 242150109840. Its totient is φ = 80552642976.

The previous prime is 161269346239. The next prime is 161269346267. The reversal of 161269346254 is 452643962161.

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

It is a junction number, because it is equal to n+sod(n) for n = 161269346198 and 161269346207.

It is a congruent number.

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, 41012619 + ... + 41016550.

It is an arithmetic number, because the mean of its divisors is an integer number (30268763730).

Almost surely, 2^161269346254 is an apocalyptic number.

161269346254 is a deficient number, since it is larger than the sum of its proper divisors (80880763586).

161269346254 is an equidigital number, since it uses as much as digits as its factorization.

161269346254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82030154.

The product of its digits is 1866240, while the sum is 49.

The spelling of 161269346254 in words is "one hundred sixty-one billion, two hundred sixty-nine million, three hundred forty-six thousand, two hundred fifty-four".