15762378066 has 32 divisors (see below), whose sum is σ = 32384631168. Its totient is φ = 5110882560.

The previous prime is 15762378061. The next prime is 15762378077. The reversal of 15762378066 is 66087326751.

15762378066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (15762378061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1511731 + ... + 1522121.

It is an arithmetic number, because the mean of its divisors is an integer number (1012019724).

Almost surely, 2^15762378066 is an apocalyptic number.

15762378066 is an abundant number, since it is smaller than the sum of its proper divisors (16622253102).

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

15762378066 is a wasteful number, since it uses less digits than its factorization.

15762378066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17266.

The product of its (nonzero) digits is 2540160, while the sum is 51.

It can be divided in two parts, 15762 and 378066, that added together give a triangular number (393828 = T₈₈₇).

The spelling of 15762378066 in words is "fifteen billion, seven hundred sixty-two million, three hundred seventy-eight thousand, sixty-six".