2154914509766 has 8 divisors (see below), whose sum is σ = 3232461852984. Its totient is φ = 1077427225440.

The previous prime is 2154914509751. The next prime is 2154914509771. The reversal of 2154914509766 is 6679054194512.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14924915 + ... + 15068606.

It is an arithmetic number, because the mean of its divisors is an integer number (404057731623).

Almost surely, 2^{2154914509766} is an apocalyptic number.

2154914509766 is a deficient number, since it is larger than the sum of its proper divisors (1077547343218).

2154914509766 is a wasteful number, since it uses less digits than its factorization.

2154914509766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30029446.

The product of its (nonzero) digits is 16329600, while the sum is 59.

The spelling of 2154914509766 in words is "two trillion, one hundred fifty-four billion, nine hundred fourteen million, five hundred nine thousand, seven hundred sixty-six".