106155551 has 8 divisors (see below), whose sum is σ = 108133200. Its totient is φ = 104195520.

The previous prime is 106155547. The next prime is 106155583. The reversal of 106155551 is 155551601.

It is a happy number.

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 106155551 - 2² = 106155547 is a prime.

It is a super-2 number, since 2×106155551² = 22538002016227202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106155521) 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, 8081 + ... + 16661.

It is an arithmetic number, because the mean of its divisors is an integer number (13516650).

Almost surely, 2^106155551 is an apocalyptic number.

106155551 is a deficient number, since it is larger than the sum of its proper divisors (1977649).

106155551 is an equidigital number, since it uses as much as digits as its factorization.

106155551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8809.

The product of its (nonzero) digits is 3750, while the sum is 29.

The square root of 106155551 is about 10303.1815959926. The cubic root of 106155551 is about 473.4937341831.

The spelling of 106155551 in words is "one hundred six million, one hundred fifty-five thousand, five hundred fifty-one".