1166354722376 has 8 divisors (see below), whose sum is σ = 2186915104470. Its totient is φ = 583177361184.

The previous prime is 1166354722363. The next prime is 1166354722387. The reversal of 1166354722376 is 6732274536611.

It can be written as a sum of positive squares in only one way, i.e., 1163658412900 + 2696309476 = 1078730^2 + 51926^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72897170141 + ... + 72897170156.

Almost surely, 2^{1166354722376} is an apocalyptic number.

It is an amenable number.

1166354722376 is a deficient number, since it is larger than the sum of its proper divisors (1020560382094).

1166354722376 is a wasteful number, since it uses less digits than its factorization.

1166354722376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145794340303 (or 145794340299 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 53.

The spelling of 1166354722376 in words is "one trillion, one hundred sixty-six billion, three hundred fifty-four million, seven hundred twenty-two thousand, three hundred seventy-six".