6551180654 has 16 divisors (see below), whose sum is σ = 10071534816. Its totient is φ = 3194083200.

The previous prime is 6551180611. The next prime is 6551180659. The reversal of 6551180654 is 4560811556.

It is a super-2 number, since 2×6551180654² = 85835935922687735432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6551180659) 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, 151994 + ... + 190274.

It is an arithmetic number, because the mean of its divisors is an integer number (629470926).

Almost surely, 2^6551180654 is an apocalyptic number.

6551180654 is a deficient number, since it is larger than the sum of its proper divisors (3520354162).

6551180654 is a wasteful number, since it uses less digits than its factorization.

6551180654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40411.

The product of its (nonzero) digits is 144000, while the sum is 41.

The square root of 6551180654 is about 80939.3640572991. The cubic root of 6551180654 is about 1871.1410438199.

The spelling of 6551180654 in words is "six billion, five hundred fifty-one million, one hundred eighty thousand, six hundred fifty-four".