7142898816 has 160 divisors (see below), whose sum is σ = 21374369280. Its totient is φ = 2367843840.

The previous prime is 7142898809. The next prime is 7142898859. The reversal of 7142898816 is 6188982417.

It is a super-2 number, since 2×7142898816² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 19 ways as a sum of consecutive naturals, for example, 1978485 + ... + 1982091.

It is an arithmetic number, because the mean of its divisors is an integer number (133589808).

Almost surely, 2^7142898816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7142898816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10687184640).

7142898816 is an abundant number, since it is smaller than the sum of its proper divisors (14231470464).

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

7142898816 is a wasteful number, since it uses less digits than its factorization.

7142898816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3824 (or 3803 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 54.

The square root of 7142898816 is about 84515.6720141300. The cubic root of 7142898816 is about 1925.8605308505.

The spelling of 7142898816 in words is "seven billion, one hundred forty-two million, eight hundred ninety-eight thousand, eight hundred sixteen".