1564065970660 has 24 divisors (see below), whose sum is σ = 3290543202240. Its totient is φ = 624482642784.

The previous prime is 1564065970651. The next prime is 1564065970661. The reversal of 1564065970660 is 660795604651.

It is not an unprimeable number, because it can be changed into a prime (1564065970661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71472880 + ... + 71494759.

It is an arithmetic number, because the mean of its divisors is an integer number (137105966760).

Almost surely, 2^{1564065970660} is an apocalyptic number.

1564065970660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1564065970660 is an abundant number, since it is smaller than the sum of its proper divisors (1726477231580).

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

1564065970660 is a wasteful number, since it uses less digits than its factorization.

1564065970660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142968195 (or 142968193 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 55.

The spelling of 1564065970660 in words is "one trillion, five hundred sixty-four billion, sixty-five million, nine hundred seventy thousand, six hundred sixty".