16745166450 has 168 divisors, whose sum is σ = 49157456400. Its totient is φ = 4230182880.

The previous prime is 16745166437. The next prime is 16745166463. The reversal of 16745166450 is 5466154761.

16745166450 is a `hidden beast` number, since 1 + 6 + 74 + 516 + 64 + 5 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (16745166437) and next prime (16745166463).

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

It is a junction number, because it is equal to n+sod(n) for n = 16745166396 and 16745166405.

It is an unprimeable number.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 680461 + ... + 704639.

Almost surely, 2^16745166450 is an apocalyptic number.

16745166450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16745166450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24578728200).

16745166450 is an abundant number, since it is smaller than the sum of its proper divisors (32412289950).

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

16745166450 is a wasteful number, since it uses less digits than its factorization.

16745166450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24228 (or 24208 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 16745166450 in words is "sixteen billion, seven hundred forty-five million, one hundred sixty-six thousand, four hundred fifty".