1021652916 has 24 divisors (see below), whose sum is σ = 2487503424. Its totient is φ = 325744320.

The previous prime is 1021652899. The next prime is 1021652969. The reversal of 1021652916 is 6192561201.

It is a super-3 number, since 3×1021652916³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1850545 + ... + 1851096.

It is an arithmetic number, because the mean of its divisors is an integer number (103645976).

Almost surely, 2^1021652916 is an apocalyptic number.

It is an amenable number.

1021652916 is an abundant number, since it is smaller than the sum of its proper divisors (1465850508).

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

1021652916 is a wasteful number, since it uses less digits than its factorization.

1021652916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3701671 (or 3701669 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 1021652916 is about 31963.3057739652. The cubic root of 1021652916 is about 1007.1661621171.

The spelling of 1021652916 in words is "one billion, twenty-one million, six hundred fifty-two thousand, nine hundred sixteen".