1669622088651 has 16 divisors (see below), whose sum is σ = 2428686317568. Its totient is φ = 1011831717600.

The previous prime is 1669622088623. The next prime is 1669622088677. The reversal of 1669622088651 is 1568802269661.

It is not a de Polignac number, because 1669622088651 - 2⁷ = 1669622088523 is a prime.

It is a super-2 number, since 2×1669622088651² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1669622088551) 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, 947596 + ... + 2058441.

It is an arithmetic number, because the mean of its divisors is an integer number (151792894848).

Almost surely, 2^{1669622088651} is an apocalyptic number.

1669622088651 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1669622088651 is a deficient number, since it is larger than the sum of its proper divisors (759064228917).

1669622088651 is a wasteful number, since it uses less digits than its factorization.

1669622088651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3022882.

The product of its (nonzero) digits is 14929920, while the sum is 60.

The spelling of 1669622088651 in words is "one trillion, six hundred sixty-nine billion, six hundred twenty-two million, eighty-eight thousand, six hundred fifty-one".