1016478556487 has 8 divisors (see below), whose sum is σ = 1026938548272. Its totient is φ = 1006071796800.

The previous prime is 1016478556439. The next prime is 1016478556523. The reversal of 1016478556487 is 7846558746101.

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 1016478556487 - 2²⁴ = 1016461779271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1016478552487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13269638 + ... + 13346019.

It is an arithmetic number, because the mean of its divisors is an integer number (128367318534).

Almost surely, 2^{1016478556487} is an apocalyptic number.

1016478556487 is a deficient number, since it is larger than the sum of its proper divisors (10459991785).

1016478556487 is a wasteful number, since it uses less digits than its factorization.

1016478556487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26616049.

The product of its (nonzero) digits is 45158400, while the sum is 62.

The spelling of 1016478556487 in words is "one trillion, sixteen billion, four hundred seventy-eight million, five hundred fifty-six thousand, four hundred eighty-seven".