3766651518 has 64 divisors (see below), whose sum is σ = 8761789440. Its totient is φ = 1057266432.

The previous prime is 3766651517. The next prime is 3766651549. The reversal of 3766651518 is 8151566673.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3766651517) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 822471 + ... + 827037.

It is an arithmetic number, because the mean of its divisors is an integer number (136902960).

Almost surely, 2^3766651518 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3766651518, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4380894720).

3766651518 is an abundant number, since it is smaller than the sum of its proper divisors (4995137922).

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

3766651518 is a wasteful number, since it uses less digits than its factorization.

3766651518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4921.

The product of its digits is 907200, while the sum is 48.

The square root of 3766651518 is about 61373.0520505539. The cubic root of 3766651518 is about 1555.9124193761.

The spelling of 3766651518 in words is "three billion, seven hundred sixty-six million, six hundred fifty-one thousand, five hundred eighteen".