10605551 has 8 divisors (see below), whose sum is σ = 11593344. Its totient is φ = 9621720.

The previous prime is 10605547. The next prime is 10605559. The reversal of 10605551 is 15550601.

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 10605551 - 2² = 10605547 is a prime.

It is a super-3 number, since 3×10605551³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10605559) 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, 9446 + ... + 10508.

It is an arithmetic number, because the mean of its divisors is an integer number (1449168).

Almost surely, 2^10605551 is an apocalyptic number.

10605551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10605551 is a deficient number, since it is larger than the sum of its proper divisors (987793).

10605551 is a wasteful number, since it uses less digits than its factorization.

10605551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1981.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 10605551 is about 3256.6164956900. The cubic root of 10605551 is about 219.7072621632.

The spelling of 10605551 in words is "ten million, six hundred five thousand, five hundred fifty-one".