7386161661530 has 8 divisors (see below), whose sum is σ = 13295090990772. Its totient is φ = 2954464664608.

The previous prime is 7386161661521. The next prime is 7386161661553. The reversal of 7386161661530 is 351661616837.

It can be written as a sum of positive squares in 2 ways, for example, as 6698919003529 + 687242658001 = 2588227^2 + 829001^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×7386161661530² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 369308083067 + ... + 369308083086.

Almost surely, 2^{7386161661530} is an apocalyptic number.

7386161661530 is a deficient number, since it is larger than the sum of its proper divisors (5908929329242).

7386161661530 is a wasteful number, since it uses less digits than its factorization.

7386161661530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738616166160.

The product of its (nonzero) digits is 3265920, while the sum is 53.

The spelling of 7386161661530 in words is "seven trillion, three hundred eighty-six billion, one hundred sixty-one million, six hundred sixty-one thousand, five hundred thirty".