7966369530 has 144 divisors (see below), whose sum is σ = 24366125160. Its totient is φ = 1800336384.

The previous prime is 7966369517. The next prime is 7966369547. The reversal of 7966369530 is 359636697.

It is a happy number.

7966369530 is a `hidden beast` number, since 79 + 6 + 6 + 36 + 9 + 530 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 5118973209 + 2847396321 = 71547^2 + 53361^2 .

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 382342 + ... + 402638.

Almost surely, 2^7966369530 is an apocalyptic number.

7966369530 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 7966369530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12183062580).

7966369530 is an abundant number, since it is smaller than the sum of its proper divisors (16399755630).

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

7966369530 is a wasteful number, since it uses less digits than its factorization.

7966369530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20413 (or 20403 counting only the distinct ones).

The product of its (nonzero) digits is 5511240, while the sum is 54.

The square root of 7966369530 is about 89254.5210619608. The cubic root of 7966369530 is about 1997.1935245231.

The spelling of 7966369530 in words is "seven billion, nine hundred sixty-six million, three hundred sixty-nine thousand, five hundred thirty".