27661670046 has 32 divisors (see below), whose sum is σ = 61499750400. Its totient is φ = 9216150840.

The previous prime is 27661669991. The next prime is 27661670083. The reversal of 27661670046 is 64007616672.

It is a happy number.

27661670046 is a `hidden beast` number, since 27 + 6 + 616 + 7 + 0 + 0 + 4 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 27661669983 and 27661670010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7336 + ... + 235323.

It is an arithmetic number, because the mean of its divisors is an integer number (1921867200).

Almost surely, 2^27661670046 is an apocalyptic number.

27661670046 is an abundant number, since it is smaller than the sum of its proper divisors (33838080354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27661670046 is a wasteful number, since it uses less digits than its factorization.

27661670046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244781 (or 244775 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The spelling of 27661670046 in words is "twenty-seven billion, six hundred sixty-one million, six hundred seventy thousand, forty-six".