16146464564 has 6 divisors (see below), whose sum is σ = 28256312994. Its totient is φ = 8073232280.

The previous prime is 16146464539. The next prime is 16146464597. The reversal of 16146464564 is 46546464161.

It can be written as a sum of positive squares in only one way, i.e., 16116302500 + 30162064 = 126950^2 + 5492^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2018308067 + ... + 2018308074.

It is an arithmetic number, because the mean of its divisors is an integer number (4709385499).

Almost surely, 2^16146464564 is an apocalyptic number.

It is an amenable number.

16146464564 is a deficient number, since it is larger than the sum of its proper divisors (12109848430).

16146464564 is a wasteful number, since it uses less digits than its factorization.

16146464564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4036616145 (or 4036616143 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 47.

The spelling of 16146464564 in words is "sixteen billion, one hundred forty-six million, four hundred sixty-four thousand, five hundred sixty-four".