106451605 has 16 divisors (see below), whose sum is σ = 142314480. Its totient is φ = 75898368.

The previous prime is 106451599. The next prime is 106451629. The reversal of 106451605 is 506154601.

It can be written as a sum of positive squares in 8 ways, for example, as 2289169 + 104162436 = 1513^2 + 10206^2 .

It is not a de Polignac number, because 106451605 - 2⁵ = 106451573 is a prime.

It is a super-2 number, since 2×106451605² = 22663888414152050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26352 + ... + 30121.

It is an arithmetic number, because the mean of its divisors is an integer number (8894655).

Almost surely, 2^106451605 is an apocalyptic number.

It is an amenable number.

106451605 is a deficient number, since it is larger than the sum of its proper divisors (35862875).

106451605 is a wasteful number, since it uses less digits than its factorization.

106451605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56520.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 106451605 is about 10317.5387084324. The cubic root of 106451605 is about 473.9334963995.

The spelling of 106451605 in words is "one hundred six million, four hundred fifty-one thousand, six hundred five".