4126561652 has 24 divisors (see below), whose sum is σ = 7778545152. Its totient is φ = 1909908000.

The previous prime is 4126561651. The next prime is 4126561661. The reversal of 4126561652 is 2561656214.

It is a super-2 number, since 2×4126561652² = 34057022135513938208, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4126561651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 720599 + ... + 726302.

It is an arithmetic number, because the mean of its divisors is an integer number (324106048).

Almost surely, 2^4126561652 is an apocalyptic number.

It is an amenable number.

4126561652 is a deficient number, since it is larger than the sum of its proper divisors (3651983500).

4126561652 is a wasteful number, since it uses less digits than its factorization.

4126561652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446959 (or 1446957 counting only the distinct ones).

The product of its digits is 86400, while the sum is 38.

The square root of 4126561652 is about 64238.3191872266. The cubic root of 4126561652 is about 1603.9695254190.

The spelling of 4126561652 in words is "four billion, one hundred twenty-six million, five hundred sixty-one thousand, six hundred fifty-two".