10211610661651 has 8 divisors (see below), whose sum is σ = 11688449921280. Its totient is φ = 8739280836168.

The previous prime is 10211610661643. The next prime is 10211610661663. The reversal of 10211610661651 is 15616601611201.

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

It is a cyclic number.

It is not a de Polignac number, because 10211610661651 - 2³ = 10211610661643 is a prime.

It is a super-3 number, since 3×10211610661651³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10211610661651.

It is not an unprimeable number, because it can be changed into a prime (10211610661631) 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, 1127353681 + ... + 1127362738.

It is an arithmetic number, because the mean of its divisors is an integer number (1461056240160).

Almost surely, 2^{10211610661651} is an apocalyptic number.

10211610661651 is a deficient number, since it is larger than the sum of its proper divisors (1476839259629).

10211610661651 is an equidigital number, since it uses as much as digits as its factorization.

10211610661651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2254717073.

The product of its (nonzero) digits is 12960, while the sum is 37.

The spelling of 10211610661651 in words is "ten trillion, two hundred eleven billion, six hundred ten million, six hundred sixty-one thousand, six hundred fifty-one".