1087216351564 has 24 divisors (see below), whose sum is σ = 2175341501088. Its totient is φ = 465755122560.

The previous prime is 1087216351531. The next prime is 1087216351601. The reversal of 1087216351564 is 4651536127801.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct 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, 8046067 + ... + 8180074.

It is an arithmetic number, because the mean of its divisors is an integer number (90639229212).

Almost surely, 2^{1087216351564} is an apocalyptic number.

1087216351564 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1087216351564 is an abundant number, since it is smaller than the sum of its proper divisors (1088125149524).

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

1087216351564 is a wasteful number, since it uses less digits than its factorization.

1087216351564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16228545 (or 16228543 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 49.

The spelling of 1087216351564 in words is "one trillion, eighty-seven billion, two hundred sixteen million, three hundred fifty-one thousand, five hundred sixty-four".