1601102070 has 144 divisors (see below), whose sum is σ = 4499511120. Its totient is φ = 393914880.

The previous prime is 1601102039. The next prime is 1601102071. The reversal of 1601102070 is 702011061.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1601102071) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2874232 + ... + 2874788.

It is an arithmetic number, because the mean of its divisors is an integer number (31246605).

Almost surely, 2^1601102070 is an apocalyptic number.

1601102070 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 1601102070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2249755560).

1601102070 is an abundant number, since it is smaller than the sum of its proper divisors (2898409050).

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

1601102070 is a wasteful number, since it uses less digits than its factorization.

1601102070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671 (or 627 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 1601102070 is about 40013.7735036325. The cubic root of 1601102070 is about 1169.8755730050.

The spelling of 1601102070 in words is "one billion, six hundred one million, one hundred two thousand, seventy".