106198561 has 8 divisors (see below), whose sum is σ = 121515200. Its totient is φ = 90918288.

The previous prime is 106198559. The next prime is 106198579. The reversal of 106198561 is 165891601.

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 106198561 - 2¹ = 106198559 is a prime.

It is a super-2 number, since 2×106198561² = 22556268716941442, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 106198561.

It is not an unprimeable number, because it can be changed into a prime (106198511) 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, 2511 + ... + 14788.

It is an arithmetic number, because the mean of its divisors is an integer number (15189400).

Almost surely, 2^106198561 is an apocalyptic number.

It is an amenable number.

106198561 is a deficient number, since it is larger than the sum of its proper divisors (15316639).

106198561 is an equidigital number, since it uses as much as digits as its factorization.

106198561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18183.

The product of its (nonzero) digits is 12960, while the sum is 37.

The square root of 106198561 is about 10305.2686039715. The cubic root of 106198561 is about 473.5576724811.

The spelling of 106198561 in words is "one hundred six million, one hundred ninety-eight thousand, five hundred sixty-one".