7661516202 has 12 divisors (see below), whose sum is σ = 16599951810. Its totient is φ = 2553838728.

The previous prime is 7661516183. The next prime is 7661516249. The reversal of 7661516202 is 2026151667.

It is a happy number.

7661516202 is a `hidden beast` number, since 7 + 6 + 615 + 16 + 20 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7518450681 + 143065521 = 86709^2 + 11961^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 212819877 + ... + 212819912.

Almost surely, 2^7661516202 is an apocalyptic number.

7661516202 is an abundant number, since it is smaller than the sum of its proper divisors (8938435608).

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

7661516202 is a wasteful number, since it uses less digits than its factorization.

7661516202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425639797 (or 425639794 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 7661516202 is about 87530.0874099872. The cubic root of 7661516202 is about 1971.3855766436.

Adding to 7661516202 its reverse (2026151667), we get a palindrome (9687667869).

The spelling of 7661516202 in words is "seven billion, six hundred sixty-one million, five hundred sixteen thousand, two hundred two".