61676055619 has 8 divisors (see below), whose sum is σ = 63144717408. Its totient is φ = 60222154560.

The previous prime is 61676055557. The next prime is 61676055659. The reversal of 61676055619 is 91655067616.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 61676055619 - 2⁷ = 61676055491 is a prime.

It is a super-2 number, since 2×61676055619² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61676055659) 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 7 ways as a sum of consecutive naturals, for example, 3681727 + ... + 3698440.

It is an arithmetic number, because the mean of its divisors is an integer number (7893089676).

Almost surely, 2^61676055619 is an apocalyptic number.

61676055619 is a deficient number, since it is larger than the sum of its proper divisors (1468661789).

61676055619 is a wasteful number, since it uses less digits than its factorization.

61676055619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7380365.

The product of its (nonzero) digits is 2041200, while the sum is 52.

The spelling of 61676055619 in words is "sixty-one billion, six hundred seventy-six million, fifty-five thousand, six hundred nineteen".