29868161090 has 16 divisors (see below), whose sum is σ = 54073460088. Its totient is φ = 11878204416.

The previous prime is 29868161087. The next prime is 29868161111. The reversal of 29868161090 is 9016186892.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 29308412809 + 559748281 = 171197^2 + 23659^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8630687 + ... + 8634146.

Almost surely, 2^29868161090 is an apocalyptic number.

29868161090 is a deficient number, since it is larger than the sum of its proper divisors (24205298998).

29868161090 is a wasteful number, since it uses less digits than its factorization.

29868161090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17265013.

The product of its (nonzero) digits is 373248, while the sum is 50.

The spelling of 29868161090 in words is "twenty-nine billion, eight hundred sixty-eight million, one hundred sixty-one thousand, ninety".