1651055656106 has 4 divisors (see below), whose sum is σ = 2476583484162. Its totient is φ = 825527828052.

The previous prime is 1651055656097. The next prime is 1651055656123. The reversal of 1651055656106 is 6016565501561.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1621651980481 + 29403675625 = 1273441^2 + 171475^2 .

It is a super-2 number, since 2×1651055656106² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 412763914025 + ... + 412763914028.

Almost surely, 2^{1651055656106} is an apocalyptic number.

1651055656106 is a deficient number, since it is larger than the sum of its proper divisors (825527828056).

1651055656106 is an equidigital number, since it uses as much as digits as its factorization.

1651055656106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825527828055.

The product of its (nonzero) digits is 810000, while the sum is 47.

The spelling of 1651055656106 in words is "one trillion, six hundred fifty-one billion, fifty-five million, six hundred fifty-six thousand, one hundred six".