10667101642 has 4 divisors (see below), whose sum is σ = 16000652466. Its totient is φ = 5333550820.

The previous prime is 10667101561. The next prime is 10667101649. The reversal of 10667101642 is 24610176601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24610176601 = 523 ⋅47055787.

It can be written as a sum of positive squares in only one way, i.e., 8742437001 + 1924664641 = 93501^2 + 43871^2 .

It is a super-2 number, since 2×10667101642² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10667101598 and 10667101607.

It is not an unprimeable number, because it can be changed into a prime (10667101649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2666775409 + ... + 2666775412.

Almost surely, 2^10667101642 is an apocalyptic number.

10667101642 is a deficient number, since it is larger than the sum of its proper divisors (5333550824).

10667101642 is an equidigital number, since it uses as much as digits as its factorization.

10667101642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5333550823.

The product of its (nonzero) digits is 12096, while the sum is 34.

The spelling of 10667101642 in words is "ten billion, six hundred sixty-seven million, one hundred one thousand, six hundred forty-two".