7954558066 has 16 divisors (see below), whose sum is σ = 14685338304. Its totient is φ = 3146858064.

The previous prime is 7954558061. The next prime is 7954558081. The reversal of 7954558066 is 6608554597.

It is a junction number, because it is equal to n+sod(n) for n = 7954557998 and 7954558016.

It is not an unprimeable number, because it can be changed into a prime (7954558061) 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, 21853000 + ... + 21853363.

It is an arithmetic number, because the mean of its divisors is an integer number (917833644).

Almost surely, 2^7954558066 is an apocalyptic number.

7954558066 is a deficient number, since it is larger than the sum of its proper divisors (6730780238).

7954558066 is a wasteful number, since it uses less digits than its factorization.

7954558066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43706385.

The product of its (nonzero) digits is 9072000, while the sum is 55.

The square root of 7954558066 is about 89188.3292028727. The cubic root of 7954558066 is about 1996.2059794217.

The spelling of 7954558066 in words is "seven billion, nine hundred fifty-four million, five hundred fifty-eight thousand, sixty-six".