2656201654 has 8 divisors (see below), whose sum is σ = 3988358640. Its totient is φ = 1326748776.

The previous prime is 2656201651. The next prime is 2656201697. The reversal of 2656201654 is 4561026562.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×2656201654³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2656201651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 673569 + ... + 677500.

It is an arithmetic number, because the mean of its divisors is an integer number (498544830).

Almost surely, 2^2656201654 is an apocalyptic number.

2656201654 is a deficient number, since it is larger than the sum of its proper divisors (1332156986).

2656201654 is a wasteful number, since it uses less digits than its factorization.

2656201654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352054.

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 2656201654 is about 51538.3512929935. The cubic root of 2656201654 is about 1384.9061619316.

The spelling of 2656201654 in words is "two billion, six hundred fifty-six million, two hundred one thousand, six hundred fifty-four".