16477123019 has 32 divisors (see below), whose sum is σ = 20704865280. Its totient is φ = 12785236992.

The previous prime is 16477122997. The next prime is 16477123021. The reversal of 16477123019 is 91032177461.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16477123019 is a prime.

It is a super-2 number, since 2×16477123019² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16474123019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3965447 + ... + 3969599.

It is an arithmetic number, because the mean of its divisors is an integer number (647027040).

Almost surely, 2^16477123019 is an apocalyptic number.

16477123019 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

16477123019 is a deficient number, since it is larger than the sum of its proper divisors (4227742261).

16477123019 is a wasteful number, since it uses less digits than its factorization.

16477123019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5499.

The product of its (nonzero) digits is 63504, while the sum is 41.

The spelling of 16477123019 in words is "sixteen billion, four hundred seventy-seven million, one hundred twenty-three thousand, nineteen".