61272616332 has 12 divisors (see below), whose sum is σ = 142969438136. Its totient is φ = 20424205440.

The previous prime is 61272616313. The next prime is 61272616343. The reversal of 61272616332 is 23361627216.

It is a tau number, because it is divible by the number of its divisors (12).

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, 2553025669 + ... + 2553025692.

Almost surely, 2^61272616332 is an apocalyptic number.

It is an amenable number.

61272616332 is an abundant number, since it is smaller than the sum of its proper divisors (81696821804).

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

61272616332 is a wasteful number, since it uses less digits than its factorization.

61272616332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5106051368 (or 5106051366 counting only the distinct ones).

The product of its digits is 108864, while the sum is 39.

The spelling of 61272616332 in words is "sixty-one billion, two hundred seventy-two million, six hundred sixteen thousand, three hundred thirty-two".