61277652606216 has 32 divisors (see below), whose sum is σ = 153282529848960. Its totient is φ = 20414097757632.

The previous prime is 61277652606173. The next prime is 61277652606221. The reversal of 61277652606216 is 61260625677216.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 736610320 + ... + 736693503.

It is an arithmetic number, because the mean of its divisors is an integer number (4790079057780).

Almost surely, 2^{61277652606216} is an apocalyptic number.

It is an amenable number.

61277652606216 is an abundant number, since it is smaller than the sum of its proper divisors (92004877242744).

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

61277652606216 is a wasteful number, since it uses less digits than its factorization.

61277652606216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473305565 (or 1473305561 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 57.

The spelling of 61277652606216 in words is "sixty-one trillion, two hundred seventy-seven billion, six hundred fifty-two million, six hundred six thousand, two hundred sixteen".