561667283950 has 12 divisors (see below), whose sum is σ = 1044701148240. Its totient is φ = 224666913560.

The previous prime is 561667283923. The next prime is 561667283977. The reversal of 561667283950 is 59382766165.

It is an interprime number because it is at equal distance from previous prime (561667283923) and next prime (561667283977).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5616672790 + ... + 5616672889.

It is an arithmetic number, because the mean of its divisors is an integer number (87058429020).

Almost surely, 2^561667283950 is an apocalyptic number.

561667283950 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

561667283950 is a deficient number, since it is larger than the sum of its proper divisors (483033864290).

561667283950 is a wasteful number, since it uses less digits than its factorization.

561667283950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11233345691 (or 11233345686 counting only the distinct ones).

The product of its (nonzero) digits is 16329600, while the sum is 58.

The spelling of 561667283950 in words is "five hundred sixty-one billion, six hundred sixty-seven million, two hundred eighty-three thousand, nine hundred fifty".