4661867551 has 12 divisors (see below), whose sum is σ = 5425627536. Its totient is φ = 3988761920.

The previous prime is 4661867519. The next prime is 4661867579. The reversal of 4661867551 is 1557681664.

It is not a de Polignac number, because 4661867551 - 2⁵ = 4661867519 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4661867495 and 4661867504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4661867501) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1131115 + ... + 1135228.

It is an arithmetic number, because the mean of its divisors is an integer number (452135628).

Almost surely, 2^4661867551 is an apocalyptic number.

4661867551 is a deficient number, since it is larger than the sum of its proper divisors (763759985).

4661867551 is a wasteful number, since it uses less digits than its factorization.

4661867551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2266382 (or 2266371 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 49.

The square root of 4661867551 is about 68277.8701410640. The cubic root of 4661867551 is about 1670.5262723979.

The spelling of 4661867551 in words is "four billion, six hundred sixty-one million, eight hundred sixty-seven thousand, five hundred fifty-one".