16139690090 has 16 divisors (see below), whose sum is σ = 29727057888. Its totient is φ = 6305739216.

The previous prime is 16139690023. The next prime is 16139690093. The reversal of 16139690090 is 9009693161.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (16139690093) 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, 18766652 + ... + 18767511.

It is an arithmetic number, because the mean of its divisors is an integer number (1857941118).

Almost surely, 2^16139690090 is an apocalyptic number.

16139690090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16139690090 is a deficient number, since it is larger than the sum of its proper divisors (13587367798).

16139690090 is a wasteful number, since it uses less digits than its factorization.

16139690090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37534213.

The product of its (nonzero) digits is 78732, while the sum is 44.

The spelling of 16139690090 in words is "sixteen billion, one hundred thirty-nine million, six hundred ninety thousand, ninety".