7554131966 has 4 divisors (see below), whose sum is σ = 11331197952. Its totient is φ = 3777065982.

The previous prime is 7554131957. The next prime is 7554131989. The reversal of 7554131966 is 6691314557.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 7554131966.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1888532990 + ... + 1888532993.

It is an arithmetic number, because the mean of its divisors is an integer number (2832799488).

Almost surely, 2^7554131966 is an apocalyptic number.

7554131966 is a deficient number, since it is larger than the sum of its proper divisors (3777065986).

7554131966 is a wasteful number, since it uses less digits than its factorization.

7554131966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3777065985.

The product of its digits is 680400, while the sum is 47.

The square root of 7554131966 is about 86914.5095251650. The cubic root of 7554131966 is about 1962.1318576277.

The spelling of 7554131966 in words is "seven billion, five hundred fifty-four million, one hundred thirty-one thousand, nine hundred sixty-six".