1617276452272 has 20 divisors (see below), whose sum is σ = 3374509521040. Its totient is φ = 746435285568.

The previous prime is 1617276452261. The next prime is 1617276452299. The reversal of 1617276452272 is 2722546727161.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3887683572 + ... + 3887683987.

It is an arithmetic number, because the mean of its divisors is an integer number (168725476052).

Almost surely, 2^{1617276452272} is an apocalyptic number.

It is an amenable number.

1617276452272 is an abundant number, since it is smaller than the sum of its proper divisors (1757233068768).

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

1617276452272 is a wasteful number, since it uses less digits than its factorization.

1617276452272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7775367580 (or 7775367574 counting only the distinct ones).

The product of its digits is 3951360, while the sum is 52.

The spelling of 1617276452272 in words is "one trillion, six hundred seventeen billion, two hundred seventy-six million, four hundred fifty-two thousand, two hundred seventy-two".