16145321012 has 24 divisors (see below), whose sum is σ = 28319864832. Its totient is φ = 8053956000.

The previous prime is 16145320957. The next prime is 16145321021. The reversal of 16145321012 is 21012354161.

It is a congruent number.

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, 3786962 + ... + 3791222.

It is an arithmetic number, because the mean of its divisors is an integer number (1179994368).

Almost surely, 2^16145321012 is an apocalyptic number.

It is an amenable number.

16145321012 is a deficient number, since it is larger than the sum of its proper divisors (12174543820).

16145321012 is a wasteful number, since it uses less digits than its factorization.

16145321012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6239 (or 6237 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 16145321012 its reverse (21012354161), we get a palindrome (37157675173).

The spelling of 16145321012 in words is "sixteen billion, one hundred forty-five million, three hundred twenty-one thousand, twelve".