1067216555 has 8 divisors (see below), whose sum is σ = 1281751344. Its totient is φ = 853045600.

The previous prime is 1067216543. The next prime is 1067216569. The reversal of 1067216555 is 5556127601.

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

It is not a de Polignac number, because 1067216555 - 2⁴ = 1067216539 is a prime.

It is a super-2 number, since 2×1067216555² = 2277902350532136050, which contains 22 as substring.

It is a Duffinian number.

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, 84461 + ... + 96270.

It is an arithmetic number, because the mean of its divisors is an integer number (160218918).

Almost surely, 2^1067216555 is an apocalyptic number.

1067216555 is a deficient number, since it is larger than the sum of its proper divisors (214534789).

1067216555 is a wasteful number, since it uses less digits than its factorization.

1067216555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181917.

The product of its (nonzero) digits is 63000, while the sum is 38.

The square root of 1067216555 is about 32668.2805638742. The cubic root of 1067216555 is about 1021.9214566191.

The spelling of 1067216555 in words is "one billion, sixty-seven million, two hundred sixteen thousand, five hundred fifty-five".