3666166350 has 288 divisors, whose sum is σ = 11655753984. Its totient is φ = 740812800.

The previous prime is 3666166291. The next prime is 3666166379. The reversal of 3666166350 is 536616663.

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 143 ways as a sum of consecutive naturals, for example, 32443894 + ... + 32444006.

It is an arithmetic number, because the mean of its divisors is an integer number (40471368).

Almost surely, 2^3666166350 is an apocalyptic number.

3666166350 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3666166350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5827876992).

3666166350 is an abundant number, since it is smaller than the sum of its proper divisors (7989587634).

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

3666166350 is a wasteful number, since it uses less digits than its factorization.

3666166350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 42.

The square root of 3666166350 is about 60548.8757121055. The cubic root of 3666166350 is about 1541.9515302517.

The spelling of 3666166350 in words is "three billion, six hundred sixty-six million, one hundred sixty-six thousand, three hundred fifty".