7141661154 has 24 divisors (see below), whose sum is σ = 15475163340. Its totient is φ = 2380313088.

The previous prime is 7141661147. The next prime is 7141661173. The reversal of 7141661154 is 4511661417.

It can be written as a sum of positive squares in 2 ways, for example, as 6883191225 + 258469929 = 82965^2 + 16077^2 .

It is a super-2 number, since 2×7141661154² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 308082 + ... + 330450.

Almost surely, 2^7141661154 is an apocalyptic number.

7141661154 is an abundant number, since it is smaller than the sum of its proper divisors (8333502186).

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

7141661154 is a wasteful number, since it uses less digits than its factorization.

7141661154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40114 (or 40111 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 7141661154 is about 84508.3496111479. The cubic root of 7141661154 is about 1925.7492920692.

The spelling of 7141661154 in words is "seven billion, one hundred forty-one million, six hundred sixty-one thousand, one hundred fifty-four".