161098454 has 16 divisors (see below), whose sum is σ = 277490880. Its totient is φ = 69372360.

The previous prime is 161098411. The next prime is 161098501. The reversal of 161098454 is 454890161.

161098454 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192284 + ... + 193119.

It is an arithmetic number, because the mean of its divisors is an integer number (17343180).

Almost surely, 2^161098454 is an apocalyptic number.

161098454 is a deficient number, since it is larger than the sum of its proper divisors (116392426).

161098454 is a wasteful number, since it uses less digits than its factorization.

161098454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385435.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 161098454 is about 12692.4565786139. The cubic root of 161098454 is about 544.1230505777.

The spelling of 161098454 in words is "one hundred sixty-one million, ninety-eight thousand, four hundred fifty-four".