29100661 has 8 divisors (see below), whose sum is σ = 30680064. Its totient is φ = 27561360.

The previous prime is 29100649. The next prime is 29100671. The reversal of 29100661 is 16600192.

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 29100661 - 2²³ = 20712053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29100671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8530 + ... + 11443.

It is an arithmetic number, because the mean of its divisors is an integer number (3835008).

Almost surely, 2^29100661 is an apocalyptic number.

It is an amenable number.

29100661 is a deficient number, since it is larger than the sum of its proper divisors (1579403).

29100661 is a wasteful number, since it uses less digits than its factorization.

29100661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20051.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 29100661 is about 5394.5028501244. The cubic root of 29100661 is about 307.5867461877.

The spelling of 29100661 in words is "twenty-nine million, one hundred thousand, six hundred sixty-one".