1066700420070 has 128 divisors (see below), whose sum is σ = 2680792547328. Its totient is φ = 271321468800.

The previous prime is 1066700420063. The next prime is 1066700420117. The reversal of 1066700420070 is 700240076601.

It is a super-2 number, since 2×1066700420070² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33252859 + ... + 33284921.

It is an arithmetic number, because the mean of its divisors is an integer number (20943691776).

Almost surely, 2^{1066700420070} is an apocalyptic number.

1066700420070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1066700420070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1340396273664).

1066700420070 is an abundant number, since it is smaller than the sum of its proper divisors (1614092127258).

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

1066700420070 is a wasteful number, since it uses less digits than its factorization.

1066700420070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32618.

The product of its (nonzero) digits is 14112, while the sum is 33.

Adding to 1066700420070 its reverse (700240076601), we get a palindrome (1766940496671).

The spelling of 1066700420070 in words is "one trillion, sixty-six billion, seven hundred million, four hundred twenty thousand, seventy".