1656066126 has 32 divisors (see below), whose sum is σ = 3891178368. Its totient is φ = 463235040.

The previous prime is 1656066121. The next prime is 1656066127. The reversal of 1656066126 is 6216606561.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1656066121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 964216 + ... + 965931.

It is an arithmetic number, because the mean of its divisors is an integer number (121599324).

Almost surely, 2^1656066126 is an apocalyptic number.

1656066126 is an abundant number, since it is smaller than the sum of its proper divisors (2235112242).

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

1656066126 is a wasteful number, since it uses less digits than its factorization.

1656066126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1930176.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 1656066126 is about 40694.7923695404. The cubic root of 1656066126 is about 1183.1120872001.

The spelling of 1656066126 in words is "one billion, six hundred fifty-six million, sixty-six thousand, one hundred twenty-six".