16154289890 has 48 divisors (see below), whose sum is σ = 30630289536. Its totient is φ = 6133327200.

The previous prime is 16154289889. The next prime is 16154289929. The reversal of 16154289890 is 9898245161.

It is a super-2 number, since 2×16154289890² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 681335 + ... + 704645.

It is an arithmetic number, because the mean of its divisors is an integer number (638131032).

Almost surely, 2^16154289890 is an apocalyptic number.

16154289890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16154289890 is a deficient number, since it is larger than the sum of its proper divisors (14475999646).

16154289890 is a wasteful number, since it uses less digits than its factorization.

16154289890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23495 (or 23472 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 53.

The spelling of 16154289890 in words is "sixteen billion, one hundred fifty-four million, two hundred eighty-nine thousand, eight hundred ninety".