16667373240 has 640 divisors, whose sum is σ = 68497228800. Its totient is φ = 3548344320.

The previous prime is 16667373221. The next prime is 16667373251. The reversal of 16667373240 is 4237376661.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 53592685 + ... + 53592995.

It is an arithmetic number, because the mean of its divisors is an integer number (107026920).

Almost surely, 2^16667373240 is an apocalyptic number.

16667373240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16667373240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34248614400).

16667373240 is an abundant number, since it is smaller than the sum of its proper divisors (51829855560).

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

16667373240 is a wasteful number, since it uses less digits than its factorization.

16667373240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497 (or 484 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 45.

The spelling of 16667373240 in words is "sixteen billion, six hundred sixty-seven million, three hundred seventy-three thousand, two hundred forty".