7666543151 has 8 divisors (see below), whose sum is σ = 7779999744. Its totient is φ = 7553238840.

The previous prime is 7666543109. The next prime is 7666543163. The reversal of 7666543151 is 1513456667.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7666543151 - 2¹⁰ = 7666542127 is a prime.

It is a super-2 number, since 2×7666543151² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7666543351) 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, 65426 + ... + 140048.

It is an arithmetic number, because the mean of its divisors is an integer number (972499968).

Almost surely, 2^7666543151 is an apocalyptic number.

7666543151 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

7666543151 is a deficient number, since it is larger than the sum of its proper divisors (113456593).

7666543151 is a wasteful number, since it uses less digits than its factorization.

7666543151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76141.

The product of its digits is 453600, while the sum is 44.

The square root of 7666543151 is about 87558.7982500902. The cubic root of 7666543151 is about 1971.8166439787.

The spelling of 7666543151 in words is "seven billion, six hundred sixty-six million, five hundred forty-three thousand, one hundred fifty-one".