7381000166 has 4 divisors (see below), whose sum is σ = 11071500252. Its totient is φ = 3690500082.

The previous prime is 7381000117. The next prime is 7381000169. The reversal of 7381000166 is 6610001837.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7381000169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1845250040 + ... + 1845250043.

It is an arithmetic number, because the mean of its divisors is an integer number (2767875063).

Almost surely, 2^7381000166 is an apocalyptic number.

7381000166 is a deficient number, since it is larger than the sum of its proper divisors (3690500086).

7381000166 is a wasteful number, since it uses less digits than its factorization.

7381000166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3690500085.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 7381000166 is about 85912.7474010697. The cubic root of 7381000166 is about 1947.0259433689.

The spelling of 7381000166 in words is "seven billion, three hundred eighty-one million, one hundred sixty-six", and thus it is an aban number.