161054854 has 8 divisors (see below), whose sum is σ = 241637688. Its totient is φ = 80508960.

The previous prime is 161054843. The next prime is 161054857. The reversal of 161054854 is 458450161.

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

It is a super-2 number, since 2×161054854² = 51877331993922632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161054857) 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, 8409 + ... + 19819.

It is an arithmetic number, because the mean of its divisors is an integer number (30204711).

Almost surely, 2^161054854 is an apocalyptic number.

161054854 is a deficient number, since it is larger than the sum of its proper divisors (80582834).

161054854 is a wasteful number, since it uses less digits than its factorization.

161054854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18470.

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 161054854 is about 12690.7389067777. The cubic root of 161054854 is about 544.0739586406.

The spelling of 161054854 in words is "one hundred sixty-one million, fifty-four thousand, eight hundred fifty-four".