197416091 has 8 divisors (see below), whose sum is σ = 204681600. Its totient is φ = 190206720.

The previous prime is 197415991. The next prime is 197416097. The reversal of 197416091 is 190614791.

197416091 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 a de Polignac number, because none of the positive numbers 2^k-197416091 is a prime.

It is a super-2 number, since 2×197416091² = 77946225971440562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (197416097) 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, 6806 + ... + 21003.

It is an arithmetic number, because the mean of its divisors is an integer number (25585200).

Almost surely, 2^197416091 is an apocalyptic number.

197416091 is a deficient number, since it is larger than the sum of its proper divisors (7265509).

197416091 is a wasteful number, since it uses less digits than its factorization.

197416091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28069.

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 197416091 is about 14050.4836571557. The cubic root of 197416091 is about 582.2741580613.

The spelling of 197416091 in words is "one hundred ninety-seven million, four hundred sixteen thousand, ninety-one".