106851491 has 8 divisors (see below), whose sum is σ = 111638304. Its totient is φ = 102076480.

The previous prime is 106851473. The next prime is 106851593. The reversal of 106851491 is 194158601.

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 106851491 - 2⁶ = 106851427 is a prime.

It is a super-2 number, since 2×106851491² = 22834482257846162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106851401) 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, 19175 + ... + 24111.

It is an arithmetic number, because the mean of its divisors is an integer number (13954788).

Almost surely, 2^106851491 is an apocalyptic number.

106851491 is a deficient number, since it is larger than the sum of its proper divisors (4786813).

106851491 is an equidigital number, since it uses as much as digits as its factorization.

106851491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5901.

The product of its (nonzero) digits is 8640, while the sum is 35.

The square root of 106851491 is about 10336.8994867900. The cubic root of 106851491 is about 474.5261993904.

The spelling of 106851491 in words is "one hundred six million, eight hundred fifty-one thousand, four hundred ninety-one".