4166943900 has 72 divisors (see below), whose sum is σ = 13778701440. Its totient is φ = 952443840.

The previous prime is 4166943889. The next prime is 4166943901. The reversal of 4166943900 is 93496614.

4166943900 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4166943901) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 990030 + ... + 994229.

Almost surely, 2^4166943900 is an apocalyptic number.

It is an amenable number.

4166943900 is an abundant number, since it is smaller than the sum of its proper divisors (9611757540).

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

4166943900 is a wasteful number, since it uses less digits than its factorization.

4166943900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1984283 (or 1984276 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 4166943900 is about 64551.8698412370. The cubic root of 4166943900 is about 1609.1846623299.

The spelling of 4166943900 in words is "four billion, one hundred sixty-six million, nine hundred forty-three thousand, nine hundred".