6654211642 has 16 divisors (see below), whose sum is σ = 10765450080. Its totient is φ = 3066506352.

The previous prime is 6654211631. The next prime is 6654211643. The reversal of 6654211642 is 2461124566.

It is a super-3 number, since 3×6654211642³ (a number of 30 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (6654211643) 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, 177048 + ... + 211315.

It is an arithmetic number, because the mean of its divisors is an integer number (672840630).

Almost surely, 2^6654211642 is an apocalyptic number.

6654211642 is a deficient number, since it is larger than the sum of its proper divisors (4111238438).

6654211642 is a wasteful number, since it uses less digits than its factorization.

6654211642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389037.

The product of its digits is 69120, while the sum is 37.

The square root of 6654211642 is about 81573.3512980802. The cubic root of 6654211642 is about 1880.8992644048.

The spelling of 6654211642 in words is "six billion, six hundred fifty-four million, two hundred eleven thousand, six hundred forty-two".