66477002630 has 16 divisors (see below), whose sum is σ = 119661564384. Its totient is φ = 26590143360.

The previous prime is 66477002621. The next prime is 66477002653. The reversal of 66477002630 is 3620077466.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 670334 + ... + 763086.

It is an arithmetic number, because the mean of its divisors is an integer number (7478847774).

Almost surely, 2^66477002630 is an apocalyptic number.

66477002630 is a deficient number, since it is larger than the sum of its proper divisors (53184561754).

66477002630 is a wasteful number, since it uses less digits than its factorization.

66477002630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164431.

The product of its (nonzero) digits is 254016, while the sum is 41.

The spelling of 66477002630 in words is "sixty-six billion, four hundred seventy-seven million, two thousand, six hundred thirty".