16134155646 has 32 divisors (see below), whose sum is σ = 37735703808. Its totient is φ = 4502554560.

The previous prime is 16134155591. The next prime is 16134155669. The reversal of 16134155646 is 64655143161.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 16134155598 and 16134155607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4465015 + ... + 4468626.

It is an arithmetic number, because the mean of its divisors is an integer number (1179240744).

Almost surely, 2^16134155646 is an apocalyptic number.

16134155646 is an abundant number, since it is smaller than the sum of its proper divisors (21601548162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16134155646 is a wasteful number, since it uses less digits than its factorization.

16134155646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8933696.

The product of its digits is 259200, while the sum is 42.

The spelling of 16134155646 in words is "sixteen billion, one hundred thirty-four million, one hundred fifty-five thousand, six hundred forty-six".