1564554156116 has 48 divisors (see below), whose sum is σ = 3132734596992. Its totient is φ = 669746534400.

The previous prime is 1564554156101. The next prime is 1564554156169. The reversal of 1564554156116 is 6116514554651.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 151584236 + ... + 151594556.

It is an arithmetic number, because the mean of its divisors is an integer number (65265304104).

Almost surely, 2^{1564554156116} is an apocalyptic number.

It is an amenable number.

1564554156116 is an abundant number, since it is smaller than the sum of its proper divisors (1568180440876).

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

1564554156116 is a wasteful number, since it uses less digits than its factorization.

1564554156116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16080 (or 16078 counting only the distinct ones).

The product of its digits is 2160000, while the sum is 50.

The spelling of 1564554156116 in words is "one trillion, five hundred sixty-four billion, five hundred fifty-four million, one hundred fifty-six thousand, one hundred sixteen".