1966749762 has 16 divisors (see below), whose sum is σ = 3934482912. Its totient is φ = 655419360.

The previous prime is 1966749751. The next prime is 1966749821. The reversal of 1966749762 is 2679476691.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13564 + ... + 64167.

It is an arithmetic number, because the mean of its divisors is an integer number (245905182).

Almost surely, 2^1966749762 is an apocalyptic number.

1966749762 is an abundant number, since it is smaller than the sum of its proper divisors (1967733150).

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

1966749762 is a wasteful number, since it uses less digits than its factorization.

1966749762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81953.

The product of its digits is 6858432, while the sum is 57.

The square root of 1966749762 is about 44348.0525164296. The cubic root of 1966749762 is about 1252.8998832328.

The spelling of 1966749762 in words is "one billion, nine hundred sixty-six million, seven hundred forty-nine thousand, seven hundred sixty-two".