62155000661 has 6 divisors (see below), whose sum is σ = 67303935810. Its totient is φ = 57373846608.

The previous prime is 62155000639. The next prime is 62155000669. The reversal of 62155000661 is 16600055126.

It can be written as a sum of positive squares in 3 ways, for example, as 2633639761 + 59521360900 = 51319^2 + 243970^2 .

It is not a de Polignac number, because 62155000661 - 2³⁰ = 61081258837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (62155000669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 183890366 + ... + 183890703.

It is an arithmetic number, because the mean of its divisors is an integer number (11217322635).

Almost surely, 2^62155000661 is an apocalyptic number.

It is an amenable number.

62155000661 is a deficient number, since it is larger than the sum of its proper divisors (5148935149).

62155000661 is a wasteful number, since it uses less digits than its factorization.

62155000661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367781095 (or 367781082 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

Adding to 62155000661 its reverse (16600055126), we get a palindrome (78755055787).

The spelling of 62155000661 in words is "sixty-two billion, one hundred fifty-five million, six hundred sixty-one", and thus it is an aban number.