161098680 has 32 divisors (see below), whose sum is σ = 483296400. Its totient is φ = 42959616.

The previous prime is 161098673. The next prime is 161098697. The reversal of 161098680 is 86890161.

161098680 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 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, 671125 + ... + 671364.

Almost surely, 2^161098680 is an apocalyptic number.

161098680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161098680 is an abundant number, since it is smaller than the sum of its proper divisors (322197720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161098680 is a wasteful number, since it uses less digits than its factorization.

161098680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342503 (or 1342499 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 161098680 is about 12692.4654815367. The cubic root of 161098680 is about 544.1233050220.

The spelling of 161098680 in words is "one hundred sixty-one million, ninety-eight thousand, six hundred eighty".