26601501161642 has 8 divisors (see below), whose sum is σ = 43529729173632. Its totient is φ = 12091591437100.

The previous prime is 26601501161639. The next prime is 26601501161659. The reversal of 26601501161642 is 24616110510662.

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

It is a self number, because there is not a number n which added to its sum of digits gives 26601501161642.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 604579571834 + ... + 604579571877.

It is an arithmetic number, because the mean of its divisors is an integer number (5441216146704).

Almost surely, 2^{26601501161642} is an apocalyptic number.

26601501161642 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

26601501161642 is a deficient number, since it is larger than the sum of its proper divisors (16928228011990).

26601501161642 is a wasteful number, since it uses less digits than its factorization.

26601501161642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209159143724.

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 26601501161642 in words is "twenty-six trillion, six hundred one billion, five hundred one million, one hundred sixty-one thousand, six hundred forty-two".