146266253233661 has 32 divisors (see below), whose sum is σ = 172245390624000. Its totient is φ = 122799919137280.

The previous prime is 146266253233651. The next prime is 146266253233679. The reversal of 146266253233661 is 166332352662641.

It is a happy number.

It is not a de Polignac number, because 146266253233661 - 2²⁶ = 146266186124797 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 146266253233597 and 146266253233606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146266253233651) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 463518665 + ... + 463834113.

It is an arithmetic number, because the mean of its divisors is an integer number (5382668457000).

Almost surely, 2^{146266253233661} is an apocalyptic number.

146266253233661 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

146266253233661 is a deficient number, since it is larger than the sum of its proper divisors (25979137390339).

146266253233661 is a wasteful number, since it uses less digits than its factorization.

146266253233661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378709.

The product of its digits is 33592320, while the sum is 56.

The spelling of 146266253233661 in words is "one hundred forty-six trillion, two hundred sixty-six billion, two hundred fifty-three million, two hundred thirty-three thousand, six hundred sixty-one".