550101566154466 has 4 divisors (see below), whose sum is σ = 825152349231702. Its totient is φ = 275050783077232.

The previous prime is 550101566154463. The next prime is 550101566154523. The reversal of 550101566154466 is 664451665101055.

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

It can be written as a sum of positive squares in only one way, i.e., 316623624554241 + 233477941600225 = 17793921^2 + 15279985^2 .

It is a super-2 number, since 2×550101566154466² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (550101566154463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137525391538615 + ... + 137525391538618.

Almost surely, 2^{550101566154466} is an apocalyptic number.

550101566154466 is a deficient number, since it is larger than the sum of its proper divisors (275050783077236).

550101566154466 is a wasteful number, since it uses less digits than its factorization.

550101566154466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275050783077235.

The product of its (nonzero) digits is 12960000, while the sum is 55.

The spelling of 550101566154466 in words is "five hundred fifty trillion, one hundred one billion, five hundred sixty-six million, one hundred fifty-four thousand, four hundred sixty-six".