106581746 has 4 divisors (see below), whose sum is σ = 159872622. Its totient is φ = 53290872.

The previous prime is 106581743. The next prime is 106581749. The reversal of 106581746 is 647185601.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (106581743) and next prime (106581749).

It can be written as a sum of positive squares in only one way, i.e., 97515625 + 9066121 = 9875^2 + 3011^2 .

It is a super-2 number, since 2×106581746² = 22719337160817032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106581743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26645435 + ... + 26645438.

Almost surely, 2^106581746 is an apocalyptic number.

106581746 is a deficient number, since it is larger than the sum of its proper divisors (53290876).

106581746 is an equidigital number, since it uses as much as digits as its factorization.

106581746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53290875.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 106581746 is about 10323.8435671992. The cubic root of 106581746 is about 474.1265514552.

The spelling of 106581746 in words is "one hundred six million, five hundred eighty-one thousand, seven hundred forty-six".