102553645362 has 24 divisors (see below), whose sum is σ = 238594196016. Its totient is φ = 29301041448.

The previous prime is 102553645357. The next prime is 102553645367. The reversal of 102553645362 is 263546355201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (102553645357) and next prime (102553645367).

It is a super-2 number, since 2×102553645362² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (102553645367) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 174410668 + ... + 174411255.

It is an arithmetic number, because the mean of its divisors is an integer number (9941424834).

Almost surely, 2^102553645362 is an apocalyptic number.

102553645362 is an abundant number, since it is smaller than the sum of its proper divisors (136040550654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102553645362 is a wasteful number, since it uses less digits than its factorization.

102553645362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348821942 (or 348821935 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 42.

The spelling of 102553645362 in words is "one hundred two billion, five hundred fifty-three million, six hundred forty-five thousand, three hundred sixty-two".