161094499 has 8 divisors (see below), whose sum is σ = 171875088. Its totient is φ = 150458880.

The previous prime is 161094443. The next prime is 161094511. The reversal of 161094499 is 994490161.

It is a happy number.

161094499 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 161094499 - 2¹³ = 161086307 is a prime.

It is a super-2 number, since 2×161094499² = 51902875216122002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161094419) 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, 33942 + ... + 38395.

It is an arithmetic number, because the mean of its divisors is an integer number (21484386).

Almost surely, 2^161094499 is an apocalyptic number.

161094499 is a deficient number, since it is larger than the sum of its proper divisors (10780589).

161094499 is a wasteful number, since it uses less digits than its factorization.

161094499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72485.

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 161094499 is about 12692.3007764550. The cubic root of 161094499 is about 544.1185977639.

The spelling of 161094499 in words is "one hundred sixty-one million, ninety-four thousand, four hundred ninety-nine".