1630357734552 has 16 divisors (see below), whose sum is σ = 4075894336440. Its totient is φ = 543452578176.

The previous prime is 1630357734529. The next prime is 1630357734553. The reversal of 1630357734552 is 2554377530361.

It is a super-2 number, since 2×1630357734552² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1630357734495 and 1630357734504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630357734553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33965786113 + ... + 33965786160.

Almost surely, 2^{1630357734552} is an apocalyptic number.

1630357734552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1630357734552 is an abundant number, since it is smaller than the sum of its proper divisors (2445536601888).

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

1630357734552 is a wasteful number, since it uses less digits than its factorization.

1630357734552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67931572282 (or 67931572278 counting only the distinct ones).

The product of its (nonzero) digits is 7938000, while the sum is 51.

The spelling of 1630357734552 in words is "one trillion, six hundred thirty billion, three hundred fifty-seven million, seven hundred thirty-four thousand, five hundred fifty-two".