1550433062661 has 16 divisors (see below), whose sum is σ = 2384644713984. Its totient is φ = 877681732464.

The previous prime is 1550433062617. The next prime is 1550433062669. The reversal of 1550433062661 is 1662603340551.

It is not a de Polignac number, because 1550433062661 - 2²⁷ = 1550298844933 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1550433062669) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 344998435 + ... + 345002928.

It is an arithmetic number, because the mean of its divisors is an integer number (149040294624).

Almost surely, 2^{1550433062661} is an apocalyptic number.

It is an amenable number.

1550433062661 is a deficient number, since it is larger than the sum of its proper divisors (834211651323).

1550433062661 is a wasteful number, since it uses less digits than its factorization.

1550433062661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690001480.

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 1550433062661 in words is "one trillion, five hundred fifty billion, four hundred thirty-three million, sixty-two thousand, six hundred sixty-one".