1220066652154 has 16 divisors (see below), whose sum is σ = 2096060214528. Its totient is φ = 521756362512.

The previous prime is 1220066652151. The next prime is 1220066652169. The reversal of 1220066652154 is 4512566600221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1220066652151) 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, 94105417 + ... + 94118380.

It is an arithmetic number, because the mean of its divisors is an integer number (131003763408).

Almost surely, 2^{1220066652154} is an apocalyptic number.

1220066652154 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1220066652154 is a deficient number, since it is larger than the sum of its proper divisors (875993562374).

1220066652154 is a wasteful number, since it uses less digits than its factorization.

1220066652154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188224269.

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 1220066652154 in words is "one trillion, two hundred twenty billion, sixty-six million, six hundred fifty-two thousand, one hundred fifty-four".