16601631461016 has 128 divisors (see below), whose sum is σ = 47579734126080. Its totient is φ = 4728676571136.

The previous prime is 16601631461003. The next prime is 16601631461071. The reversal of 16601631461016 is 61016413610661.

16601631461016 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×16601631461016² (a number of 27 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 745225270 + ... + 745247546.

It is an arithmetic number, because the mean of its divisors is an integer number (371716672860).

Almost surely, 2^{16601631461016} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16601631461016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23789867063040).

16601631461016 is an abundant number, since it is smaller than the sum of its proper divisors (30978102665064).

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

16601631461016 is a wasteful number, since it uses less digits than its factorization.

16601631461016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35793 (or 35789 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The spelling of 16601631461016 in words is "sixteen trillion, six hundred one billion, six hundred thirty-one million, four hundred sixty-one thousand, sixteen".