16361172768 has 24 divisors (see below), whose sum is σ = 42948078768. Its totient is φ = 5453724224.

The previous prime is 16361172761. The next prime is 16361172791. The reversal of 16361172768 is 86727116361.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (16361172761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85214346 + ... + 85214537.

It is an arithmetic number, because the mean of its divisors is an integer number (1789503282).

Almost surely, 2^16361172768 is an apocalyptic number.

It is an amenable number.

16361172768 is an abundant number, since it is smaller than the sum of its proper divisors (26586906000).

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

16361172768 is a wasteful number, since it uses less digits than its factorization.

16361172768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170428896 (or 170428888 counting only the distinct ones).

The product of its digits is 508032, while the sum is 48.

The spelling of 16361172768 in words is "sixteen billion, three hundred sixty-one million, one hundred seventy-two thousand, seven hundred sixty-eight".