16506146145 has 16 divisors (see below), whose sum is σ = 26411428800. Its totient is φ = 8802746304.

The previous prime is 16506146093. The next prime is 16506146149. The reversal of 16506146145 is 54164160561.

It is a happy number.

It is not a de Polignac number, because 16506146145 - 2⁶ = 16506146081 is a prime.

It is a super-2 number, since 2×16506146145² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16506146149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 452031 + ... + 487179.

It is an arithmetic number, because the mean of its divisors is an integer number (1650714300).

Almost surely, 2^16506146145 is an apocalyptic number.

16506146145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16506146145 is a deficient number, since it is larger than the sum of its proper divisors (9905282655).

16506146145 is a wasteful number, since it uses less digits than its factorization.

16506146145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66464.

The product of its (nonzero) digits is 86400, while the sum is 39.

The spelling of 16506146145 in words is "sixteen billion, five hundred six million, one hundred forty-six thousand, one hundred forty-five".