16146405969 has 16 divisors (see below), whose sum is σ = 21772268544. Its totient is φ = 10642741200.

The previous prime is 16146405949. The next prime is 16146406039. The reversal of 16146405969 is 96950464161.

It is a happy number.

It is not a de Polignac number, because 16146405969 - 2¹⁷ = 16146274897 is a prime.

It is a super-2 number, since 2×16146405969² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16146405949) 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, 153574 + ... + 236384.

It is an arithmetic number, because the mean of its divisors is an integer number (1360766784).

Almost surely, 2^16146405969 is an apocalyptic number.

It is an amenable number.

16146405969 is a deficient number, since it is larger than the sum of its proper divisors (5625862575).

16146405969 is a wasteful number, since it uses less digits than its factorization.

16146405969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83548.

The product of its (nonzero) digits is 1399680, while the sum is 51.

The spelling of 16146405969 in words is "sixteen billion, one hundred forty-six million, four hundred five thousand, nine hundred sixty-nine".