102620155326663 has 16 divisors (see below), whose sum is σ = 152433121972320. Its totient is φ = 60973248787584.

The previous prime is 102620155326613. The next prime is 102620155326719. The reversal of 102620155326663 is 366623551026201.

It is a happy number.

It is not a de Polignac number, because 102620155326663 - 2⁶ = 102620155326599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102620155326613) 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, 45366999456 + ... + 45367001717.

It is an arithmetic number, because the mean of its divisors is an integer number (9527070123270).

Almost surely, 2^{102620155326663} is an apocalyptic number.

102620155326663 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

102620155326663 is a deficient number, since it is larger than the sum of its proper divisors (49812966645657).

102620155326663 is a wasteful number, since it uses less digits than its factorization.

102620155326663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90734001218.

The product of its (nonzero) digits is 2332800, while the sum is 48.

The spelling of 102620155326663 in words is "one hundred two trillion, six hundred twenty billion, one hundred fifty-five million, three hundred twenty-six thousand, six hundred sixty-three".